Physics > 2000 > 1
JAMB UTME
A catapult used to hold a stone of mass 500g is extended by 20cm with an applied force F. If the stone leaves with a velocity of 40ms-1, The value of F is
A.
4.0 x 104N
B.
4.0 x 103N
C.
2.0 x 103N
D.
4.0 x 102N
Answer: B
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