Question 117: Properties of Matter

Question

A block of metal weighing 2 kg is resting on a frictionless plane (as shown in figure). It is struck by a jet releasing water at a rate of 1 kgs
$-$1
and at a speed of 10 ms
$-$1
. Then, the initial acceleration of the block, in ms
$-$2
, will be :
![](https://app-content.cdn.examgoal.net/fly/@width/image/1l55xvxa3/40c48e40-98f9-4147-9166-0e58767cad70/232730b0-fb27-11ec-bd88-e328dfea0871/file-1l55xvxa4.png?format=png)

Accepted Answer

F = $ho$ v
2
a
$\Rightarrow$ 10 $	imes$ 1 = 2 $	imes$ acceleration
$\Rightarrow$ Acc. = 5 m/s
2

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3

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6

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Properties of Matter

A block of metal weighing 2 kg is resting on a frictionless plane (as shown in figure). It is struck by a jet releasing water at a rate of 1 kgs -1 and at a speed of 10 ms -1 . Then, the initial acceleration of the block, in ms -2 , will be :

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