![A cannon ball is fired with a velocity of 200 m/sec at an angle of 60^o with the horizontal. At the highest point of the flight it explodes into 3 equal fragments. A cannon ball is fired with a velocity of 200 m/sec at an angle of 60^o with the horizontal. At the highest point of the flight it explodes into 3 equal fragments.](https://dwes9vv9u0550.cloudfront.net/images/5111003/917e73e7-7cdd-494e-b4f0-8fe8db97428b.jpg)
A cannon ball is fired with a velocity of 200 m/sec at an angle of 60^o with the horizontal. At the highest point of the flight it explodes into 3 equal fragments.
An arrow is shot into the air. Its range is 200 metres and its time of flight is 5 sec. If the value of g is assumed to be 10 m/s^2, then
![An engine develops 10 kW of power. How much time will it take to lift a mass of 200 kg to a height of 40 m (g=10(m)/(sec^2))? An engine develops 10 kW of power. How much time will it take to lift a mass of 200 kg to a height of 40 m (g=10(m)/(sec^2))?](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/11487935_web.png)