Question

The force required to tow a boat at constant velocity is proportional to the speed .if a speed of 4 km/hr requires 7.5kW how much power does a speed of 12km/hr require

Answer 1

Answer:

7.5kW×12÷4=22.5kw

Explanation:

i hope u got my answwer

Answer 2

Answer : 22.5 kW

Explanation:

4 km/hr requires 7.5 kW

so, 1 km/hr requires 7.5 kW / 4 km/hr

so, 12 km/hr requires ,

((7.5)/4) * 12

= 22.5 kW