## 13 colonies quizlet apush

A force vector F = ( 3i 4j ) N acts on a 2 kg movable object that moves from an initial position vector di ( - 3i - 2j ) m to a final position. asked Apr 16, 2019 in Physics by RenuK (68.1k points). Position of two particles A and B as a function of time are given by XA = -3t^2 + 8t + c and YB = 10 -8t^3.2,so r!! v a c 2!!! (2 5 0.0 1 m m / / s s 2)! 8.1 km 15. A 45-kg merry-go-round worker stands on the ride’s platform 6.3 m from the center. If her speed as she goes around the circle is 4.1 m/s, what is the force of friction necessary to keep her from falling off the platform? F f!F c!! m r v2!!120 N Section Review 6.2 Circular Motion pages ...

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mass of 1,250 kg and accelerates at a constant rate of 16.5 m/s2. How large is the unbalanced force acting on the racer? 10. A 5.22 x 107 kg luxury cruise ship is moving at its top speed as it comes into port. The ship then undergoes acceleration equal to —0.357 m/s2 until it comes to rest at its anchorage. How large must the unbalanced force ... (ii) Explain how does Newton’s first law give the qualitative definition of force? Question 14. Two objects A and B, having mass 100 kg and 75 kg, moving with velocity 40 km/hr and 6 km/hr respectively. Answer the following: a.Which will have greater inertia? b.Which will have greater momentum?

The capital W's in the equation above -- W 2 and W 3-- are the amounts of work done on the 2.0-kg mass and the 3.0-kg mass by gravity. Only the force of gravity does work on "the system". We need not -- can not -- consider the tension in the cord for that is an "internal force" just like the forces that hold the blocks together. Nov 06, 2015 · 5. A person standing on a horizontal floor feels two forces: the downward pull of gravity and the upward supporting force from the floor. These two forces, a. have equal magnitudes and form an action/reaction pair b. have equal magnitudes and but do not form an action/reaction pair - forces only act on one object