1) part one: An archer puts a 0.31 kg arrow to the bowstring. An average force of 193.1 N is exerted to draw the string back 1.14 m. The acceleration of gravity is 9.8 m/s^2. Assuming no fictional loss, with what speed does the arrow leave the bow? Answer in units of m/s 2) part two: if the arrow is shot straight up, how high does it rise? Answer in units of m

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A:

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A: Solution:-

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Q: 12. A physics book slides off a horizontal tabletop with a speed of 1.10 m/s. It strikes the floor…

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Q: B)) The vertical height of * ? point B from point A a=g=-10 m's 60 m/s 20 LAB =5 s

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Q: 2. A crate is given an initial speed of 3.0 m/sup a 25° inclined plane. As (a) What is the…

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A: We know that: s = ut + 12at2  and v = u + at where s is the displacement, u is the uniform velocity,…

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Q: 111(E,F

A:

Q: 1. In this problem we ignore air resistance. When a glass slides off a horizontal countertop with a…

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A: given,μ=0.8so,F=ma=-μmga=μg=(0.8)(9.8m/s2)=7.84m/s2a/2=3.92m/s2

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A: initial horizontal velocity (vo) = 20.5 msheight of cliff (h) = 26 m

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A: Given that, Angle = θ Initial speed = v0

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.