A hockey puck has a mass of 0.115 kg and is at rest. A hockey player makes a shot, exerting a co

step 1 So we know that in order to find the speed at which the hockey puck heads towards the goal, we c

Question

A hockey puck has a mass of $0.115 \mathrm{kg}$ and is at rest. A hockey player makes a shot, exerting a constant force of $30.0 \mathrm{N}$ on the puck for 0.16 s. With what speed does it head toward the goal?

   A hockey puck has a mass of $0.115 \mathrm{kg}$ and is at rest. A hockey player makes a shot, exerting a constant force of $30.0 \mathrm{N}$ on the puck for 0.16 s. With what speed does it head toward the goal?

Physics Principle and Problems

Paul W. Zitzewitz,… 1st Edition

Chapter 9, Problem 64

Instant Answer

Solved by Expert Averell Hause

06/04/2020

Step 1

This can be written as: \[F \cdot \Delta t = m \cdot \Delta v\] Show more…

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A hockey puck has a mass of $0.115 \mathrm{kg}$ and is at rest. A hockey player makes a shot, exerting a constant force of $30.0 \mathrm{N}$ on the puck for 0.16 s. With what speed does it head toward the goal?

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Key Concepts

Newton's Second Law

Newton's Second Law of Motion states that the net force acting on an object is equal to the product of its mass and its acceleration. This law explains how an object's velocity changes when a force is applied, and it forms the basis for relating force, mass, and acceleration in physics.

Impulse-Momentum Theorem

The impulse-momentum theorem establishes the relationship between the impulse applied to an object and its change in momentum. Impulse is calculated as the product of force and the time period over which the force is applied, and it equals the change in momentum, which is the product of mass and the change in velocity. This concept is crucial for determining the resulting speed when a force acts on an object for a specific duration.

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