Use newtons second law F=ma, plug in the given values which gives us the answer of 22 kg for the mass
D. Power. The unit of power is watt.
Microwaves are transmitted by Radio Waves.
<span>h ( t) = h(1 sec) = -16t^2 + 541
so h (2 sec) = -16*(2)^2 + 541 = -64 + 541 = <span>477 ft
Therefore, </span></span>the height of the rock after 2 seconds is 477 feet.
I hope my answer has come to your help. Thank you for posting your question here in Brainly.
