An engine develops 10 KW of power. How much time will it take to lift a mass of 200kg to a height of 40m. (g= 10 ms^(-2))

An engine develops 10 KW of power. How much time will it take to lift

1.	An engine develops 10 KW of power. How much time will it take to lift a mass of 200kg to a height of 40m. (g= 10 ms^(-2))
Answer» `4s` `5s` `8S` `10S` Answer :C