Question

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 1

Step-by-step explanation:

Please mark me brainlest please

Answer 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