Answer:
a body which was thrown in space ,moves under the influence of gravity only is defined as projectile.
Which element is magnetic?
Answer
cobalt
Explanation:
1 mega Hertz = 1000000 hertz
Answer:
9.8kW
Explanation:
Given data
Mass= 60kg
Hieght= 4m
Time= 4.2seconds
We know that the energy possessed is given as
PE=mgh
PE=60*9.81*4
PE= 2354.4 Joulse
Also, the expression for power is
Power=Energy*Time
Power= 2354.4*4.2
Power=9888.48 watt
Power= 9.8kW
