Answer: MA= Radius of wheel divided by Radius of Axle
Explanation:
Kinetic Energy means <span>energy that a body possesses by virtue of being in motion. I hope im not too late</span>
watts = work per second.
work is mgh = 3x10x50=1500
watts out = 1500
Watts used = 2000
eff=1500/2000=75%
Answer:
Density is an important physical property of matter. It reflects how closely packed the particles of matter are. When particles are packed together more tightly, matter has greater density.
Explanation: