Editor
Editor
 Sep 18, 2022
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A 100 kg car is moving at a speed of 10 m/sec and comes to rest after covering a distance of 50 m. The amount of work done against friction is:
Difficulty: Easy
A: 
$5 \times 10^{1} J$
B: 
$5 \times 10^{2} J$
C: 
$5 \times 10^{3} J$
D: 
$5 \times 10^{4} J$
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