Answer:
Power is the rate at which work is done
Explanation:
Power is the rate at which work is done. Power is measured in watts.
Work is the use of force to move an object. Work is measured in joules.
Answer:10
Explanation:because 5x10=50 and if you take away the decimal it is wrote "50"
To have a weight of 2.21N., the ball's mass is (2.21/9.8) = .226kg.
<span>a) d = 1/2 (vt), = 1/2 (18 x .17), = 1.53m. </span>
<span>b) Acceleration of the ball = (v/t), = 18/.17, = 105.88m/sec^2. </span>
<span>f = (ma), = .226 x 105.88, = 23.92N. </span>