Question

9. A body of mass 4 kg is thrown vertically upwards at a speed of 30 m/s. If g=10 m/s”, calculate
(i) maximum kinetic energy of the body
(ii) potential energy of the body at its maximum heigh​

Answer 1

Answer:

kinetic energy formula is 1/2 mv2 therefore 1/2into 4into30into30=1800 joule