Golf no doing what I iuroeurir to do my homework and my homework
Answer:
55%
Explanation:
take efficiency=power output/power input multiply by 100%
Answer:
v = 14 m/s
Explanation:
given,
radius of dip = 40 m
The passengers in a roller coaster car feel 50% heavier than their true weight.
Apparent weight



When the car is at the bottom, the weight will be acting downwards and the centripetal force will also be acting downward where as Normal force which is apparent weight will be acting in upward direction.
now,





v = 14 m/s
Current would flow between them and they would receive a terrible shock.