b) The relation of the gravitational constant is given as G = If the d mm between two masses is increased, will the value of G increase, decrease or re constant? Write in short.​

Answers

Answer 1

Answer:

G is universally constant

Explanation:

The Gravitational constant G, is a proportionality constant for all objects in the universe with a value of ; G = 6.67*10^-11 m³kg^-1s^-2.

According to the the Newton's Law of Universal Gravitation ; Every object in the universe attracts one another with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distances between them.

F α m1m2 α 1/r²

F α m1m2/r²

F = Gm1m2 / r²

m1 and m2 are the masses ; r = distance between them

G = Gravitational constant.


Related Questions

Pablo kicked a ball that went 12m/s at 14° from the ground to fly through the goalie's hands. How high did the ball go?​

Answers

Answer:

Explanation:

There are a couple of things we need to clear up before we start the problem. First of all, we are given an angle in the problem along with an initial velocity. BUT this is what I call a "blanket" velocity: it is neither the upwards velocity nor is it the horizontal velocity. In order to find either the upwards velocity or the horizontal velocity we have to use either the sin or the cos function, respectively. Since we are working ONLY in the y-dimension, which is up and down, we use the sin function along with the given velocity to find the upwards velocity of the ball. Secondly, we have to know that the final velocity at the max height of the ball is 0. So here is what we have:

v₀ = 12sin14 so

v₀ = 2.9 m/s

a = -9.8 m/s/s

v = 0 m/s

Δx = ??? m

The equation we need is

v² = v₀² + 2aΔx and filling in:

0 = (2.9)² + 2(-9.8)Δx and

0 = 8.4 - 2.0 × 10¹Δx and

-8.4 = -2.0 × 10¹Δx so, to the correct number of sig dig,

Δx = 170 m

A 560 Hz tuning fork and a piano key are struck together, and four beats are heard. When a 572 Hz tuning fork and the same piano key are struck, eight beats are heard. What is the frequency of the piano key?
564 Hz
556 Hz
572 Hz
560 Hz

Answers

Answer:

556

Explanation:

DEFINE UNIFORM AND NON UNIFORM VELOCITY

Answers

Explanation:

Uniform velocity is when an object goes an equal amount of space in an equal amount of time whereas non uniform velocity is when the object covers an unequal amount of distance in an equal amount of time.

State two properties of magnetic lines of force.​

Answers

The magnetic lines of force has the following properties:

Each line is a closed and continuous curve.

They originate from the north pole and terminate at the south pole.

They will never intersect each other.

They are crowded near the poles where the magnetic field is strong

Nesse texto, um argumento usado para defender a ideia de que o filme A Caminho da Lua cumpre o papel de tocar e de entreter encontra-se no trecho:
“O filme foca em Fei Fei, garota de 12 anos que enfrenta dificuldades em superar o luto pela mãe e aceitar a nova noiva de seu pai.”. (1º parágrafo)
“... a menina decide construir um foguete para viajar até o satélite...”. (1º parágrafo)
“O que faz o longa se destacar é seu cenário mergulhado na cultura chinesa e a delicadeza com que o luto e sua superação são tratados.”. (2º parágrafo)
“... o foco quase exclusivo na garota prejudica todos os outros personagens...”. (3º parágrafo).

ajudem_me

Answers

Answer:O que faz o longa se destacar é seu cenário mergulhado na cultura chinesa e a delicadeza com que o luto e sua superação são tratados.

Explanation:

Por que se você pensar ela estava sempre buscando superar a morte da mãe.

7.) A neutral atom loses two electrons. Which of the following ions might result? HELP ME ASAP!!!

Answers

Answer:

A. Mg+2

Explanation:

im not sure, but since it lost two electrons which have a negative charge it gained two charge.

A fiber-optic rod consists of a central strand of material surrounded by an outer coating. The interior portion of the rod has an index of refraction of 1.97. If all rays striking the interior walls of the rod with incident angles greater than 50.4° are subject to total internal reflection, what is the index of refraction of the coating?

Answers

Answer:

The refractive index of the outer coating is 1.52.

Explanation:

Refractive index of interior part, n' = 1.97

critical angle, C = 50.4°

Let the refractive index of the coating is n.

Use the Snell's law,  

[tex]n\times sin r = n'\times sinC\\\\n\times sin 90 = 1.97 \times sin 50.4\\\\n = 1.52[/tex]

ayuda!!!!!!!!!!! es para ahora :((

Answers

14. La amplitud de la onda es: E. 10cm
15. El periodo de la onda es: C. 6seg.

A deer walks 17.0 m south and then 12.0 m north. Find both the magnitude of its displacement and the distance traveled.



A)

5.0 m, 29.0 m


B)

5.0 m, 5.0 m


C)

29.0 m, 29.0 m


D)

29.0 m, 5.0 m

Answers

Answer:

Explanation:

Displacement involves direction and distance.  In this case, the deer has walked a distance of 17 + 12 = 29m but because of the South-then-North direction, the net displacement is only 17-12 = 5m.

So the answer is A)   5.0 m, 29.0 m

South=17mNorth=12m

Displacement:-

17-12=5m

Distance:-

17+12=29m

PLS HELP IM SOO CONFUSED!

If the temperature of the conductor is increased , the electrons ' speeds decrease

true or false​

Answers

False.

As temperature increases the more the electrons begin to vibrate more, as it decreases they vibrate less.

Answer:

false

Explanation:

the motion creates current and heat at the same time

A ball is dropped from the top of a building. It initially
moves at 40 m/s. After 0.5 seconds, it moves at 3.8
m/s.
What force is responsible for the slowing of the ball?
air resistance
gravity
normal
tension

Answers

Answer:

Explanation:

I'm assuming you missed the decimal point in the initial velocity and that it should be 4.0 m/s. If after a half of a second it is moving a tiny bit slower, it would be because of air resistance. You can only neglect air resistance if the problems you are doing tell you neglect it.

Answer:

Air resistance

Explanation:

I got it correct on the quiz :)

what is the Young's modulus of a perfect rigid body​

Answers

Answer:

Infinite

Explanation:

Young's modulus is infinite and bulk modulus is zero.

Answer:

Young's modulus is the ratio of tensile stress ( force of elasticity ) to tensile strain ( extension ).

Explanation:

[tex]E = \frac{stress}{strain} [/tex]

What are various systems of unit?​

Answers

Answer:

hlw its jess bregoli

your answer is here

SI (International System of Units) (meter-kilogram-second-ampere-kelvin-mole-candela)

FPS (foot-pound-second)

MKS (meter-kilogram-second)

CGS (centimeter-gram-second)

EMU (Electromagnetic) (centimeter-gram-second-abampere)

ESU (Electrostatic) (centimeter-gram-second-abcoulomb)

Atomic (bohr-electron mass-atomic second-electron)

MTS (meter-tonne-second)

Explanation:

hope it may help you !!

Answer:

there are 4 types of systems. They are ,

SI - accepted world wide

MKS - meter  kilogram  second

CGS - centimeter  gram  second

FPS - foot  pound  second

hope it helps.

Please help! This is due in 10 minutes!! I will mark brainliest asap

Answers

The object is at rest. This is because time is going by and there’s no distance being added
Third option is the answer aka the object is resting hope this helps you

In an experiment, 120 g of ice at 0 °C is to be melted. The specific latent heat of
ice is 340 J/g. Assume that all the energy from the heater will be used to melt
the ice.
Q1) Calculate the expected time for which the 60 W heater is switched on.​

Answers

Answer:

[tex]680\; \rm s[/tex].

Explanation:

Start by finding the total amount of energy required for melting that much ice.

[tex]\begin{aligned}&\text{Energy required for melting ice sample} \\ &= \text{Mass of Ice} \times \text{Specific Latent Heat of Ice} \\ &= 120\; \rm g \times 340\; \rm J \cdot g^{-1} = 4.08 \times 10^{4}\; \rm J \end{aligned}[/tex].

Hence, the heater would need to supply (at least) [tex]4.08 \times 10^{4}\; \rm J[/tex] of energy.

The power of the heater is [tex]60\; \rm W[/tex], which is equivalent to [tex]60\; \rm J \cdot s^{-1}[/tex], In other words, the heater is rated to supply [tex]60\; \rm J[/tex] of energy every second.

Amount of time it takes for the heater to supply [tex]4.08 \times 10^{4}\; \rm J[/tex] at [tex]60\; \rm J \cdot s^{-1}[/tex]:

[tex]\begin{aligned}\frac{4.08 \times 10^{4}\; \rm J}{60\; \rm J \cdot s^{-1}} = 680\; \rm s\end{aligned}[/tex].

Hence, it would take [tex]680\; \rm s[/tex] for the heater to melt the ice if the heater is insulated, and all the energy from the heater went to the ice.

A car travelling along a straight road has kinetic energy of 180 kJ. The brakes are applied, and it is brought to rest over a distance of 60 m. What is the average force of the car breaks?
A. 3 N

B. 3000 N

C. 10,800 N

Answers

Answer:

Given,

w= 180J

s=60m

W=F×s

180=F×60

180/60=F

F= 3 N

HELPPP ILL GIVE BRAINLIST

Answers

Answer:

2. Letter C all those in the list are non living

3. Letter A a skunk is a living organism that shapes its environment

5. Letter A when talking about population it usually refers to a single type of species in that area

6. Letter B Niche (just recently heard of the word in ecology)

What type of electromagnetic waves do heat lamps give off?

A. infrared

B. ultraviolet

C. microwaves

D. radio waves

Answers

Microwaves c…………….nnsjksisisysgxgd

A small bar magnet is placed in the magnetic field of a larger
bar magnet, at the position marked Zin the diagram below.
Assuming the small bar magnet is free to rotate, how would it
be positioned?
X
no
N
S
O A.
N.
B.
N
s
O c.
S
O D.
S

Answers

x for a smaller magnet at the position marked zin

Which describes the electromagnetic force only? Check all that apply. is attractive is repulsive has an infinite range has a very small range produces light produces electricity

Answers

Answer:Electromagnetic force, like all forces, is measured in Newtons. Electrostatic forces are described by Coulomb’s law, and both electric and magnetic forces are covered by the Lorentz force law. However, Maxwell’s four equations provide the most detailed description of electromagnetism.

Explanation:

Answer:

attractive, repulsive, produces light & electricity

Explanation:

edge 2021

An elevator of 3 × 10^4N is raised to a height of 100m in 20s . The work done by electric motor is equivalent to?​

Answers

Answer:

there it is fella tried on ma own observation

Hey guys Im Anushka from India... pls help me out in this question..

What is linear motion?

What is rotational motion?​

Answers

Answer:

Linear motion, also called rectilinear motion, is one-dimensional motion along a straight line, and can therefore be described mathematically using only one spatial dimension.

Explanation:

Rotation around a fixed axis is a special case of rotational motion. The fixed-axis hypothesis excludes the possibility of an axis changing its orientation and cannot describe such phenomena as wobbling or precession

A man of mass 60kg runs with a constant velocity. He has kinetic energy of 750 joules. calculate his velocity​

Answers

Given, mass of the man, m=60kg

Kinetic energy of the man, E

k

=750J

If v is the velocity of the man, then

E

k

=

2

1

mv

2

or v=

m

2E

k

=

60

2×750

=5m/s

Answer:

[tex]{ \bf{kinetic \: energy = \frac{1}{2}m {v}^{2} }} \\ { \tt{ 750= \frac{1}{2} \times 60 \times {v}^{2} }} \\ { \tt{ {v}^{2} = 25 }} \\ \\ { \tt{v = \sqrt{25} }} \\ { \bf{velocity = 5 \: m {s}^{ - 1} }}[/tex]

When is the kinetic energy of the ball zero and when is it at its highest? When is its potential energy at its lowest and at its highest? What happens to the kinetic energy and potential energy between point A and point B? (3 points)

Answers

Answer:

if there is only one planet in the universe and the ball is there it will have 0 kinetic energy if the ball is in the very center of that planet only if the planet itself is absolutely motionless. its at its highest if the planet is moving away from the ball at a slightly faster speed forever. Between point A and B both potential energy and kinetic energy are at perfect 0.

Explanation:

never will have a measurable kinetic or potential energy status unless every single object is included in the calculation.

The drone can fly for 25 minutes before the battery needs recharging.
The power output of the battery is 65.0 W
Calculate the maximum energy stored by the battery.

Answers

Answer:

105.6 KJ

Answer

3.7/5

4

hope this will help you friend.

(01.03 MC)
What is the solution to the compound inequality 5x + 75-8 or 3x + 7 > 19?

Answers

Answer:

sorry I can help im not doing this as yet

1 .
the ratio of work output to work input or the ratio of AMA to IMA
efficiency
2 .
the energy of a moving object
kinetic energy
3 .
a grooved wheel over which a rope can move
pulley
4 .
a double-sided inclined plane
screw
5 .
an inclined plane wrapped around a cylinder
wedge

Answers

Answer:

1. Efficiency

2. Kinetic energy

3. Pulley

4. Screw

5. Wedge

Explanation:

1. Efficiency: the ratio of work output to work input or the ratio of actual mechanical advantage (AMA) to ideal mechanical advantage (IMA).

Mathematically, the efficiency of a machine is given by the formula;

[tex] Efficiency = \frac {MA}{IMA} * 100 [/tex]

2. Kinetic energy: the energy of a moving object. Kinetic energy (KE) is an energy possessed by an object or body due to its motion.

Mathematically, kinetic energy is given by the formula;

[tex] K.E = \frac{1}{2}MV^{2}[/tex]

Where;

K.E represents kinetic energy measured in Joules.

M represents mass measured in kilograms.

V represents velocity measured in metres per seconds square.

3. Pulley: a grooved wheel over which a rope can move. It is made up of a wheel and rope which allows force to be multiplied such as in a drawing well.

4. Screw: a double-sided inclined plane. It is held in position and then used to tighten two or more objects together.

5. Wedge: an inclined plane wrapped around a cylinder. It can be used to split objects into halves.


Spending more time with her grandchildren is most likely a short-term goal
for a person of which of these ages?
A. 20 years old
B. 10 years old
C. 30 years old
D. 60 years old

Answers

Answer:60

Explanation:

I think it’s D but I am not sure

1. A balloon rubbed against denim gains a charge of -8.0 uC. What is the electric
force between the balloon and the denim when the two are separated by a dis-
tance of 5 x 10-2 m?

Answers

Answer:

the ballon is purple

Explanation:

If a driver makes contact with a steering wheel during a 35 mph crash, she comes to rest in about Δ=15 ms. If, during an identical crash, the driver makes contact with an air bag, she comes to rest in about Δ=110 ms. What is the ratio of the force exerted by the steering wheel to the force exerted by the air bag on the driver?

Answers

Answer:

The ratio of forces is 22 : 3.

Explanation:

Case I:

initial velocity, u = 35 mph

final velocity, v = 0

time, t = 15 ms

Case II:

initial velocity, u = 35 mph

final velocity, v = 0

time, t' = 110 ms

let the mass is m.

According to the Newton's second law, the force is given by the rate of change of momentum.

So

[tex]F =\frac{m(v-u)}{t}\\\\F'= \frac{m(v-u)}{t'}\\\\So, \frac{F}{F'} =\frac{t'}{t}\\\\\frac{F}{F'}=\frac{110}{15}=22:3[/tex]

Other Questions
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