What is the impulse received by a ball of mass 0.5 kg that changes its velocity by 28 m s-1? Give your answer to the nearest whole number.

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BlackTom AI · Accepted Answer

To find the impulse delivered to the ball, recall that impulse J equals the change in momentum: J = Δp = m Δv.
The mass given is m = 0.5 kg, and the velocity change is Δv = 28 m/s.
Multiply mass by the velocity change: J = 0.5 kg × 28 m/s = 14 kg·m/s.
Since impulse has units of momentum, this can be written as 14 N·s (newton-seconds).
The problem asks for the value to the nearest whole number, and 14 is already an integer, so the answer is 14.

MUF0121 Physics Unit 1 - Semester 2, 2025 7.9 Impulse

What is the impulse received by a ball of mass 0.5 kg that changes its velocity by 28 m s-1? Give your answer to the nearest whole number.

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MUF0121 Physics Unit 1 - Semester 2, 2025 7.9 Impulse

What is the impulse received by a ball of mass 0.5 kg that changes its velocity by 28 m s-1? Give your answer to the nearest whole number.

View Explanation

Log in for full answers

Similar Questions

Which of the following is a correct definition of *impulse* in physics?

A 50 kg mass is sitting on a frictionless surface. A 157N force pushes the mass for 4.2 seconds until the mass reaches the desired velocity. Calculate the impulse in N.s. Only put in the numerical value. Answer to 1 decimal place and do not write the unit in your answer.

The change in an object’s momentum is equal to

Which force-time curve has the smaller impulse, A or B?

A golf club exerts a force of 462 N on a golf ball ball for 18 ms. What impulse is given to the ball? Give your answer to one decimal place.

A tennis racquet exerts a force of 133 N on a ball for 0.035 s. What impulse is given to the ball? Give your answer to one decimal place.

What impulse is needed for a plane mass 78 tonne to change its velocity by 65 m s-1? Give your answer to the nearest whole number.

A 50 kg mass is sitting on a frictionless surface. A 200N force pushes the mass for 8.2 seconds until the mass reaches the desired velocity. Calculate the impulse in N.s. Only put in the numerical value. Answer to 1 decimal place and do not write the unit in your answer.

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Which of the following is a correct definition of impulse in physics?