1.A car of mass 1000kg is travelling at a speed of 20m/s when it collides with a stationary car of mass 1500kg.If the collision is perfectly inelastic.what is the combined velocity?
2.A block of mass 10kg is attached to a spring constant of 200m/m.if the block is displaced from its equilibrium position by 0.2m and released,what is the maximum speed it will reach as it oscillates back and forth?
3.A projectile is fired horizontally from a height of 50m with a speed of 10m/s.What is the time of flight of the projectile?
4.A block of mass 5kg is attached to a string and is swung in a vertical circular motion with a radius of 1m.What is the minimum speed of the block required to move in a complete circle?
5.A car is travelling at a speed of 20m/s when it rounds a curve of radius 100m.What is the minimum cofficient of static friction required to prevent car from skidding?
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