Question

A 66-kg person drops from rest a distance of 1.25 m to a platform of negligible...

A 66-kg person drops from rest a distance of 1.25 m to a platform of negligible mass supported by an ideal stiff spring of negligible mass. The platform drops 9.9 cm before the person comes to rest. What is the spring constant of the spring in N/m?

Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

Mass of person, m= 66 kg

Height from which it has been dropped, h= 1.25 m

compression of spring, x= 9.9 cm

Let the spring constant of spring be k.

By the law of conservation of energy, potential energy man is equal to potential energy stored in spring due to compression.

so.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A 77-kg person drops from rest a distance of 1.92 m to a platform of negligible...
A 77-kg person drops from rest a distance of 1.92 m to a platform of negligible mass supported by an ideal stiff spring of negligible mass. The platform drops 5.8 cm before the person comes to rest. What is the spring constant of the spring in N/m?
A 0.294 kg mass slides on a frictionless floor with a speed of 1.25 m/s. The...
A 0.294 kg mass slides on a frictionless floor with a speed of 1.25 m/s. The mass strikes and compresses a spring with a force constant of 42.2 N/m. How far does the mass travel after contacting the spring before it comes to rest? How long does it take for the spring to stop the mass?
A proud deep-sea fisherman hangs a 64.0-kg fish from an ideal spring having negligible mass. The...
A proud deep-sea fisherman hangs a 64.0-kg fish from an ideal spring having negligible mass. The fish stretches the spring 0.135 m. (a) Find the force constant of the spring. N/m The fish is now pulled down 5.75 cm and released. (b) What is the period of oscillation of the fish? s (c) What is the maximum speed it will reach? m/s
A ball of a mass m starting from rest falls a vertical distance h=65.0 cm before...
A ball of a mass m starting from rest falls a vertical distance h=65.0 cm before striking a vertical coiled spring which is compressed an amount Y =18.2 cm . The spring constant is given as 1460 N / m . a) what was the velocity of the ball just as it touched the spring (1) ? b) How much time (t) did it take for the ball to reach the spring? c) Calculate the mass (m). d) with what...
A spring of negligible mass has force constant k = 900 N/m . You place the...
A spring of negligible mass has force constant k = 900 N/m . You place the spring vertically with one end on the floor. You then lay a 1.60-kg book on top of the spring and release the book from rest. Find the maximum distance the spring will be compressed.
A 0.16 kg ball is dropped from rest onto a spring with spring constant 42 N/m,...
A 0.16 kg ball is dropped from rest onto a spring with spring constant 42 N/m, as shown. If it compresses the spring by a distance y = 0.19 m before coming to rest, from what height above the spring was it dropped? Ignore air resistance and friction. A.0.04 m B. 0.48 m C. 0.17 m D. 0.29 m
A mountian climber of mass 60.kg slips and falls distance of 4.0 m, at which time...
A mountian climber of mass 60.kg slips and falls distance of 4.0 m, at which time he reaches the end of his elastic saftey rope. The rope then stretches an additional 2.0m before the climber comes to rest. What is the spring constant of the rope , assuming it obeys Hooke's law?
A ball of mass m = 1.60 kg is released from rest at a height h...
A ball of mass m = 1.60 kg is released from rest at a height h = 77.0 cm above a light vertical spring of force constant k as in Figure [a] shown below. The ball strikes the top of the spring and compresses it a distance d = 8.10 cm as in Figure [b] shown below. Neglecting any energy losses during the collision, find the following. (a) Find the speed of the ball just as it touches the spring....
A 1.1 kg mass compresses a spring by a distance 0.25 m. The mass is released...
A 1.1 kg mass compresses a spring by a distance 0.25 m. The mass is released from rest. The mass travels over equal patches of rough surfaces with coefficient of friction μk=0.15 and length 0.5m. If the spring constant of the spring is 770 N/m, how many (including the decimal fraction) mats does it take to stop the mass?
49) A 2.0-kg box is pushed from rest by a person exerting a constant force of...
49) A 2.0-kg box is pushed from rest by a person exerting a constant force of 50 N. The person exerts this force over a distance of 3.0 m before releasing the box and letting it slide to a stop. The coefficient of kinetic friction between the box and the floor is 0.15. (a) Draw a motion diagram showing the motion of the box from the moment the person begins pushing to the moment the box stops moving. (b) Represent...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT