Question

The K.E of a body is 1000 ) if its momentum decreases by 50%, Then?
1. K.E of body becomes?
A. 500)
B. 750)
C. 250)
D. 1250)
2. K.E of body decreases by?
A. 500)
B. 750j
C. 250)
D. 1250 j​

Answer 1

Answer:

1 = A

2 = A

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