Physics

How many stars are in a typical spiral galaxy, like our own?.
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Oil and gas are formed from the remains of microscopic ocean organisms. A student claims that the oil and gas deposits in Missouri are about 100 million years old. Based on the map, decide whether you agree or disagree with the students claim and then explain your decision.Identify the main areas of North America on the map where people would expect to find 100-million-year-old sedimentary rocks that contain fossils of microscopic ocean organisms.
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Scientists observed a rocky, rotating object orbiting in space. It was 250 km wide. The rocky object was located several times farther away from the sun than the earth
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A net constant force of 1500 n gives a toy rocket an acceleration of 2. 5 m/ 2. What is the mass of the rocket?
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10 N30 N4 kgwhats the net force & acceleration
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Which planets are generally referred to as the ice giants?.
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If the barge is made out of 4.8- cm -thick steel plate on each of its four sides and its bottom, what mass of coal can the barge carry in freshwater without sinking
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Brody drives 180 km in two hours. How fast is he travelling?should be in km/hour)
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Predict the magnitude of the gravitational force....
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Write an expression for the coefficient of kinetic friction between the block and the horizontal surface. Your answer should be in terms of x, vB, and g (the acceleration due to gravity)
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Which of the following examples BEST describes the life characteristic of respiration?A) A cheetah races across the plain.B) Starfish cells divide and multiply as it gets larger.C) Humans eliminate some wastes through urine and feces.D) Humans breathe in oxygen and release carbon dioxide.
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define what is physics
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Which Tesla would win in a drag race? (A) 2009 Tesla Roadster(B) 2016 Tesla Model X
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Find the number of permutations when 7 objects are taken 1 at a time
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1. A hockey puck has a mass of 0.115-kg and strikes the pole of the net at (37 m/s)x. It bounces off in the opposite direction at (-25 m/s)x +(5 m/s)y. (A) What is the impulse on the puck? (B) If the collision takes .005s what is the force acted on the puck?
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What increases the transfer of the wind's energy to the water?Question 4 options: A. flat water B. large waves C. large rocksPLEAS HELP ME FAST
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A ball that has a mechanical energy of 65 J haas 10 j of kinetic energy. The ball has j of potential energy
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By what means can the internal energy of a closed system increase?.
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What is current of 12 ohm? help me pleasee 1. 0.25 A 2. 0.5 A 3. 1 A 4. 1.5 A 5. 2 A
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Which of the following would NOT cause acceleration?A. an object falling towards the earthB. the wind catching the sail of a sailboatC. a car traveling at a constant velocityD. a pitcher throwing a baseball
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Calculate the average velocity of the cart for each fan speed. Round your answers to the nearest tenth. The cart with Low fan speed has an average velocity of cm/s. The cart with Medium fan speed has an average velocity of cm/s. The cart with High fan speed has an average velocity of cm/s. A 4-column table with 3 rows. Column 1 has entries Elapsed time to finish line(s); Total distance (c m); Average velocity (c m/s). Column 2 is labeled Cart Speed (Low Fan Speed) (c m/s) with entries 7.4; 500; unknown. Column 3 is labeled Cart Speed (medium Fan Speed) (c m/s) with entries 6.4; 500; unknown. Column 4 is labeled Cart Speed (High Fan Speed) (c m/s) with entries 5.6; 500; unknown.
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A 1. 5-k resistor and 27. 7-mh inductor are connected in series to a vrms = 120 v ac power source oscillating at a frequency of f = 60 hz. The voltage as a function of time is given by
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The SI unit for force is the _________.A. massB. kilogramC. newtonD. acceleration of gravityE. weight
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What is the relationship between latent heat and the hydrogen bonds which hold the molecules together?
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