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A block of mass m is in contact with the...

A block of mass m is in contact with the cart `C` as shown in The coefficient of static friction between the block and the cart is `mu` The acceleration a of the cart that will prevent the block from falling satisfies
.

A

`alphalt(g)/(mu)`

B

`alphagt(mg)/(mu)`

C

`alphagt(g)/(mu m)`

D

`age(g)/(mu)`

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The correct Answer is:
D
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