If a #2 kg# object is constantly accelerated from #0m/s# to #15 m/s# over # 12s#, how much power musy be applied at #t= 4 #?
1 Answer
Feb 2, 2018
The power is
Explanation:
Apply the equation
to calculate the acceleration
The initial velocity is
The final velocity is
The time is
The acceleration is
According to Newton's Second Law
The mass is
The force is
The velocity at
The power is