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A: M=4 kgR=0.4 mvi=4 m/sh=4.3 m
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A: Mass of block m = 10 kg speed of block V = 1.0m/s time taken t = 3.40s uk = 0.60
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A: Given Time taken to complete one revolution t=0.332sDistance of point r=4.73cm=0.0473 m
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A: Initial temperature =100CFinal temperature = 92 C
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A: We know that if U is the potential energy then y component of force is given by Fy=Given :
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A:
Q: A 220 g block on a 60.0-cm-long string swings in a circle on a horizontal, frictionless table at…
A: Mass of block m= 220g = 0.22kg Length of string R = 60cm = 0.60m R. P. M = 65 = w
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Q: Ⓡ (a) Using the isolated system model, determine the speed of the object of mass m₂ = 3.00 kg just…
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A ball is dropped from rest from a height of 20.0 m above the ground:
i) How long will it take the ball to hit the ground?
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- The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with an acceleration of 5.60 m/s2 for 4.20 s, making straight skid marks 62.4 m long, all the way to the tree. With what speed does the car then strike the tree?An arrow is shot straight up in the air at an initial speed of 15.0 m/s. After how much time is the arrow heading downward at a speed of 8.00 m/s? (See Section 2.6.)A ball is thrown from the top of a building with an initial velocity of 20.0 m/s straight upward, at an initial height of 50.0 m above the ground. The ball just misses the edge of the roof on its way down. Determine (a) the time neededfor the ball to reach its maximum height (b) the maximum height, (c) the time needed for the ball to return to the height from which it was thrown and the velocity of the ball at that instant.
- If you drop an object from a height of 1.3 m, it will hit the ground in 0.52 s. If you throw a baseball horizontally with an initial speed of 42 m/s from the same height, how long will it take the ball to hit the ground?sA ball thrown vertically from the Highway is managed 3.0 s later by a person on a balcony located 14 m from the track floor. What is the initial speed of the ball?A water balloon is dropped from the top of an 830 m high building. At the same instant it is dropped, an archer shoots an arrow vertically upward with the intention of breaking the balloon. At what speed must he launch the arrow for the balloon to break 3s after its release? *
- You throw a water balloon horizontally at 3.2 m/s. You are on the roof of your house which is 6 m tall. How far from your house can you hit a person?A ball thrown vertically from the Highway is shot 3.0 s later by a person on a balcony located 14 m from the road floor. What is the initial speed of the ball?The initial speed of a howitzer is 0.20 km/s. If the Howitzer must hit a target that is at a horizontal distance of 3.0 km from the gun, what is the minimum time it takes?
- A ball thrown in the air from the ground with an initial speed of 25 m/s. It reaches its maximum height,and on its way down, gets stuck 15 m. Calculate the total time of flight of the ball ( in second) till it gets stuck in the branchesA lead ball is dropped into a lake from a diving board 5.0m above the water. After entering the water, it sinks to the bottom with a constant velocity equal to the velocity with which it hit the water. The ball reaches the bottom 3.0 s after it is released. How deep is the lake (in meters)?A ball is thrown vertically upward fro the top of a building with an initial velocity of 20 m/s at an initial height of 50 m above the ground.The ball just misses the roof on its way down. a) Determine the time needed for the ball to reach maximum height b) the maximum height c) the time needed for the ball to return to the height from which it was thrown and its velocity at that instant.
