Two people push on a boulder to try to move it. the mass of the boulder is 815 kg. one person pushes north with a force of 65 n. the other pushes west with a force of 42 n. predict the magnitude of the acceleration (in m/s2) of the boulder. assume that friction is negligible.
Answers: 3
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Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?
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Astone is dropped from the upper observation deck of a tower, 250 m above the ground. (assume g = 9.8 m/s2.) (a) find the distance (in meters) of the stone above ground level at time t. h(t) = (b) how long does it take the stone to reach the ground? (round your answer to two decimal places.) s (c) with what velocity does it strike the ground? (round your answer to one decimal place.) m/s (d) if the stone is thrown downward with a speed of 2 m/s, how long does it take to reach the ground? (round your answer to two decimal places.) s
Answers: 3
Two people push on a boulder to try to move it. the mass of the boulder is 815 kg. one person pushes...
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