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.

Question

BlackTom AI · Accepted Answer

To find the impulse delivered to the mass, multiply the constant force by the time interval over which it acts. 
First, note that impulse I equals force F times time Δt: I = F × Δt. 
Here, F = 157 N and Δt = 4.2 s, so I = 157 N × 4.2 s.
Calculating the product: 157 × 4.2 = 659.4.
Therefore, the impulse is 659.4 N·s. Since the prompt asks for the numerical value only and to one decimal place, the value to report is 659.4 (without the unit).

FFP001 Skills and Content Test 1A - MCQ & Short answer questions | LA043- Requires Respondus LockDown Browser

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.

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FFP001 Skills and Content Test 1A - MCQ & Short answer questions | LA043- Requires Respondus LockDown Browser

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.

View Explanation

Log in for full answers

Similar Questions

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

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.

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.

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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