1. A car is moving with a velocity of 20 m/s. If the driver applies the brakes and brings the car to a halt in 4 seconds, what is the average acceleration of the car?
2. A ball is thrown vertically upwards from the ground with an initial velocity of 30 m/s. How high will the ball go before coming back to the ground? (Neglect air resistance and take g = 10 m/s^2)
3. A block of mass 5 kg is placed on a frictionless surface and is attached to a spring with a spring constant of 100 N/m. If the block is pulled 2 meters away from its equilibrium position and released, what is the maximum speed it attains?
4. An object is thrown from the top of a building with an initial velocity of 20 m/s at an angle of 30 degrees to the horizontal. If the height of the building is 50 meters, how far from the building will the object land? (Neglect air resistance and take g = 10 m/s^2)
5. A pendulum consists of a bob of mass 0.2 kg attached to a string of length 1 meter. If the bob is displaced from its equilibrium position by an angle of 10 degrees and released, what is the period of oscillation? (Take g = 10 m/s^2)
6. A rocket is launched vertically upwards from the ground with an initial velocity of 100 m/s. If the rocket's engines provide a constant acceleration of 10 m/s^2, how high will the rocket go before its engines shut off?
7. A mass of 2 kg is placed on a smooth horizontal surface and is attached to a spring with a spring constant of 500 N/m. If the block is given an initial velocity of 5 m/s towards the spring and collides with it, what is the maximum compression of the spring?
8. An electric train is moving with a velocity of 50 m/s. If the brakes are applied and the train comes to rest in 30 seconds, what is the average deceleration of the train?
9. A ball is dropped from a height of 50 meters. How long will it take for the ball to hit the ground? (Neglect air resistance and take g = 10 m/s^2)
10. An object is thrown vertically upwards from the ground with an initial velocity of 20 m/s. How long will it take for the object to reach its maximum height? (Neglect air resistance and take g = 10 m/s^2)

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The detailed answer for the above question is provided below The initial velocity of the car u 20 ms Final velocity of the car v 0 ms Time taken to br... View the full answer