54.0k views
2 votes
7) Calculate the KE. of a a) 2 kg trolley travelling at 1.5 m/s,​

User Pacukluka
by
4.6k points

2 Answers

3 votes

Answer:

Step-by-step explanation:

KE=mv(v)/2

KE=2(1.5)(1,5)/2

KE=2.25

User Ngo Van
by
3.7k points
1 vote

Important Formulas:


KE=.5mv^2

__________________________________________________________


m=2kg (measured in kg)


v=1.5m/s (measured in meter per second)


KE=? (measured in joules)

__________________________________________________________


KE=.5(2)(1.5)^2


\fbox{KE = 2.25J}