How much power is needed to lift a 4.5 kg object to a height of 3.0 m in 12 seconds?solution and formula answer please i need it :
Answers
Answered by
2
Answer:
11.025 J/s
explanation :
P = W/t
P = mgh/t
g = acceleration due to gravity.
= 9.8m/s²
therefore, power (P) needed to lift a 4.5 kg object to a height of 3.0 m in 12 seconds
= (4.5×9.8×3)/12
= 44.1/4
= 11.025 J/s
Similar questions