2 Answers

Antonin Stefanutti · Answer 1 · 2021-08-18T14:37:42+0000

Answer:

The change in momentum is
$\Delta p = 0.7 \ kg\cdot m \cdot s^(-1)$

Step-by-step explanation:

From the question we are told that

The time taken for the stone to stop is
$\Delta t = 0.15 \ seconds$

The net force on the rock is
$F = 58 \ N$

The impulse of the rock can be mathematically represented as

$I = F * \Delta t$

Substituting values

I = 58 * 0.15

$I = 0.7\ kg * m * s^(-1)$

Now impulse is defined as the rate at which momentum change

Hence the change in momentum
$\Delta p$ of the rock is equal to the impulse of the rock

So

$\Delta p = I = 0.7 \ kg\cdot m \cdot s^(-1)$

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