If a #2# #kg# object accelerates constantly from #0# #ms^-1# to #15# #ms^-1# over #6# #s#, how much power must be applied at #t=4#?
1 Answer
Jun 18, 2017
The power is
Explanation:
The acceleration is
The mass is
According to Newton's Second Law,
the force is
The velocity at
The power is