Question
Asked Dec 9, 2019
1 views

A 2 kg ball is moving at 2.4 m/s perpendicular to a wall. Upon hitting the wall, the ball rebounds at 1.0 m/s in the opposite direction. What is the magnitude of the impulse of the ball? (units in kg m/s)

check_circle

Expert Answer

star
star
star
star
star
1 Rating
Step 1

The initial momentum of the ball is.

The final velocity of the ball rebounds in opposite direction so the final momentum is,

help_outline

Image Transcriptionclose

P; = mv; =(2kg)(2.4m/s) = 4.8kg - m/s P; = mv; =(2kg)(-1.0m/s) =-2.0kg m/s

fullscreen
Step 2

The impulse imparted to the ball is,

Substitute the values, to fi...

help_outline

Image Transcriptionclose

J = Ap = P;- P, J=-2.0kg - m/s – 4.8kg m/s =-6.8kg - m/s |J|=6.8kg - m/s

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Physics

Newtons Laws of Motion

Related Physics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: The Drake Equation is a tool for estimating ...    A)  the number of alien civilizations t...

A: Drake equation is a speculative equation which gives an approximate number of extra-terrestrial civi...

question_answer

Q: 134. As an object falls freely toward Earth, the object's momentum (1) decreases (2) increases (3) r...

A: Object falls freely toward earth.

question_answer

Q: 29. Jonathan is riding a bicycle and encounters a hill of height AMT 7.30 m. At the base of the hill...

A: a)The required external work done is,

question_answer

Q: I don't understand how to set up force equations correctly along with drawing correct free-body diag...

A: (a) Figure 1 shows the FBD of the lamp stably suspended by two mass less cables anchored to a ball a...

question_answer

Q: One container holds 0.10 kg of water at 75 ∘C and is warmed to 95 ∘C by heating from contact with th...

A: The change in entropy when the water is heated from T1 deg C to T2 deg C is

question_answer

Q: A bodybuilder lifts a 350 N set of weights from ground level to a position over his head, a vertical...

A: Step 1Work done by a system iswhere F is the force and d is the distance travelled by the system

question_answer

Q: A beam of monochromatic light falls normally onto the surface of a plane-parallel plate of thickness...

A: There will be a factor due to absorptions apart from the factor (1-ρ) on each end face of the plate....

question_answer

Q: Air in a balloon does 50 J of work while absorbing 70 J of heat. What is its change in internal ener...

A: The change in internal energy is

question_answer

Q: In the figure, two loudspeakers, separated by a distance of d1 = 2.78 m, are in phase. Assume the am...

A: Given: