Question
Question: The kinetic energy of a body of mass 2kg and 2Ns is...
The kinetic energy of a body of mass 2kg and 2Ns is
A
1J
B
2J
C
3J
D
4J
Answer
1J
Explanation
Solution
mv = 2, m= 2 ⇒ v = 1m/s ⇒ 
= 1J
The kinetic energy of a body of mass 2kg and 2Ns is
1J
2J
3J
4J
1J
mv = 2, m= 2 ⇒ v = 1m/s ⇒ = 1J