Physics

explain why the age of the ocean floor bedrock increases as the distance from the mid-atlantic ridge increases?
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Red light has a wavelength of (7. 21x10^7)m. What is the frequency of this light?
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Water has a heat capacity or 4.184 j/g C. If 50 g of water has a temperature of 30C and a piece of hot copper is added to the water causing the temperature to increase to 70C. What is the amount of heat absorbed by the water.
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What must be the charge of a particle having E = 81 N/C at 49 mm from the said particle? Express in Coulombs. Use k = 9.0 x 109kgm3s2C2
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what does the word Cala stands for
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Is an electron cloud bigger than an atom?
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A crate of oranges is shoved across a grocery store floor with a force of 100 N for a distance of 1 meter. The crate travels an additional 1 meter after the shove and stops just short of the display. You can conclude: the magnitude of work done by frictional forces on the crate is 100 J the magnitude of work done by the applied force on the crate is 100 J the magnitude of the force of friction on the crate is 50 N all of the above conclusions are correct none of the above conclusions are correct
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PLEASE HELP ASAP! ILL GIVE BRAINLIEST IF I GET A GOOD GRADEI need help to know if I put enough information into my concept map or I need to add more?Here are the instructions:Your concept map will compare the manner in which energy is transferred by mechanical waves and electromagnetic waves. Include the following somewhere in your concept map:types of energy transferredmedium required (if applicable) for transfer of energyspeed of energy transfer through various mediums (solid, liquid, gas)
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A uniform solid sphere has mass m= 7 kg and radius r= 0. 4 m. What is its moment of inertia about an axis tangent to its surface?
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16. The energy absorbed in 10minutes by an electrical heater is 1.5 MJ. The supply voltage is 240 V. calculate: a) The current drawn b) The quantity of electricity in Coulombs taken in 5 minutes c) The energy absorbed in 100 hours.
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A 1500kg car moving at a speed of 20.1m/s comes toa stop after travelling a distance of 200m. What was the average force exerted by the breaks on the car?
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Imagine that you are a circus performer riding a uni-cycle (forwards) across the stage. What is the direction of the angular velocity of the single wheel?
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Three-Dimensional Thinking2. Aiden collected canned goods for a neighborhood service project. Hepulled a plastic wagon behind him to put the items in. From the timeAiden began until he finished collecting, the mass of the wagon tripled.The walk back to Aiden's house was downhill and the speed of thewagon tripled. What happened to the kinetic energy when the masstripled? What happened to the kinetic energy when the speed tripled?AWhen the speed tripled, the kinetic energy increased by a factor of 3.BWhen the mass tripled, the kinetic energy increased by a factor of 3.When the mass tripled, the kinetic energy increased by a factor of 3.When the speed tripled, the kinetic energy increased by a factor of 9.When the mass tripled, the kinetic energy increased by a factor of 9When the speed tripled, the kinetic energy increased by a factor of 3.When the mass tripled, the kinetic energy increased by a factor of 9.When the speed tripled, the kinetic energy increased by a factor of 9.D
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Which describes the vector calculation giving the magnetic force on a charged particle moving through a magnetic field?.
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A student uses a motion detector to study the kinematics of a block suspended on a vertical spring that obeys Hookes law. The student pulls the block a distance y from equilibrium, releases it from rest, and records the speed v of the block as it passes the equilibrium position. The student repeats this process several times for different values of y. Which variables should be plotted on the horizontal and vertical axes to yield a linear graph?
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Use the drop-down menus to complete the statement. if an electric circuit has 0 a of current running through it, then the must be .
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a car of mass 850kg hits a crash barrier at a speed of 30m/s . the car stops in 0.4s.calculate the force of the car.
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Two people work together to move a heavy box. One person pulls the box with a force of 200 Newtons. The other person pushes the box with a force of 150 newtons. The force of friction on the box is 400 newtons. Which of the following BEST describes what will happen to the box and people?A. The person pushing the box will move the box towards the person pulling it.B. The box will accelerate in the direction of the frictional force.C. Both people will accelerate in the direction of friction, but the box will remain stationary. D. Neither the box nor people will move.
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The earliest stage of a stars life before it begins to undergo fusion is known as:
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A 20 k resistor is connected in series with an initially uncharged 100 f capacitor and a 5 v battery. What is the charge on the capacitor when the circuit has reached steady state?
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At a distance of 1.0 A.U. The earth takes 1.0 year to travel around the sun how far away is a planet that takes 64 years ro go around the sun
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A student makes this statement before conducting an experiment on electromagnetic radiation: "We expect the laser to diffract when passed through a slit." Which of the following explains why the student's statement is not a claim?(1 point)It is a prediction or hypothesis.It cannot be verified experimentally.It is part of the evidence to support a claim.It is a description of the experimental results.
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Particle q1 has a charge of 2.7 c and a velocity of 773 m/s. if it experiences a magnetic force of 5.75 103 n, what is the strength of the magnetic field? t in the same magnetic field, particle q2 has a charge of 42.0 c and a velocity of 1.21 103 m/s. what is the magnitude of the magnetic force exerted on particle 2? n
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HELP ASAP The existence of comets provides possible evidence for _____.solar origin of cometsa young solar systeman ancient solar system
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