Find the work done on the ball by the quarter back

Assignment Help Physics
Reference no: EM13498431

When a quarterback throws a quick pass, he pushes on the ball with constant horizontal force for 0.10 sec, while his hand moves forward 0.80 m. Assume the mass of the ball is 0.90 Kg. Find:

a.) the acceleration of the ball.

b.) the force exerted on the ball.

c.) the work done on the ball by the quarter back.

d.) the power developed by the quarterback while throwing the ball.

Reference no: EM13498431

Questions Cloud

Compute the roi for both divisions : Explain why EVA® is considered a superior performance evaluation method in comparison to ROI and RI?
Define equilibrium constant for a certain reaction decreases : The equilibrium constant for a certain reaction decreases from 8.91 to 3.5 10-2 when the temperature increases from 29°C to 73°C. Estimate the temperature where K = 1.00 for this reaction.
Explain what mass of sucrose should be combined : What mass of sucrose should be combined with 454 g of water to make a solution with an osmotic pressure of 8.85 atm at 285 K
The market value of the equipment at the end : Allen and Aimee put $70,000 of their own money into the firm
Find the work done on the ball by the quarter back : When a quarterback throws a quick pass, he pushes on the ball with constant horizontal force for 0.10 sec, while his hand moves forward 0.80 m. find the work done on the ball by the quarter back
Define decentralisation and segment reporting : In addition to the expenses listed above, the company had $450,000 of common fixed expenses which it allocated to each division based on their percentage of total service revenue earned.
Determine molality of the solution prepared by dissolving : Find the molality of the solution prepared by dissolving 0.238 g camphor , C10H16O , in 15.5 g cyclohexane.
Determine the contribution margin : Explain why the transfer prices based on actual costs are not appropriate as the basis for divisional performance measurement.
What work does he do pulling the sled : A boy pulls a 5.0 Kg sled 10.0 m along a horizontal surface at a constant speed. what work does he do pulling the sled

Reviews

Write a Review

Physics Questions & Answers

  Find the speed of the bead

A 0.362 kg bead slides on a curved wire, starting from rest at point A, find the speed of the bead at C

  Find the change in the internal energy of the environment

A system does 167 J of work on its environment and gains 85.5 J of heat in the process, Find the change in the internal energy of the environment

  How fast does it move after the bullet emerges

A 23-g bullet traveling 270m/s penetrates a 2.2kgblock of wood and emerges cleanly at 215m/s. how fast does it move after the bullet emerges

  Find out al''s mass

while Jo moves off in the opposite direction at a speed of 0.946m/s. assuming that friction is negligible, find out Al's mass.

  What is the voltage across the capacitor

A typical capacitor in an MP3 player has C = 5 ?F. If a charge ±37 ?C is placed on the plates, what is the voltage across the capacitor?

  Find the speed of the ball just before it strikes the ground

A baseball is thrown from the roof of 20.4m -tall building with an initial velocity of magnitude 13.9m/s, What is the speed of the ball just before it strikes the ground

  What external work was required

A 20-kg sled is pushed up a 34° slope to a vertical height of 140 m. A constant friction force of 50 N acts for the entire distance. What external work was required

  Find the thrust of the rocket

A rocket has an initial mass of 28,000 kg, of which 20 percent is the payload. It burns fuel at a rate of 185 kg/s and exhausts its gas at a relative speed of 1.8 km/s.

  Explain what is the diameter of the copper rod

Two trains and a bird Two trains, each having a speed of 23km/h, are headed at each other on the equal  straight track. A bird that can fly 60km/h flies off the front of one train when they are 70 km apart and heads directly for the other train.

  How much longer will it take you to burn off the calories

After going through a bad break-up with your significant other you end up drinking half a case of beer. The next day you decide the cloud of despair must be fought with exercise. How much longer will it take you to burn off the calories of the bee..

  Explain the electric flux through the surface of the cube

explain the electric flux through the surface of the cube. Calculate the volume charge density of the atmosphere, assuming it to be uniform between 270 and 420 m.

  What is the emf around the square

A square loop of wire has sides of length 3 cm. A magnetic field points out of the screen; its magnitude is B = 3.0t2y, What is the emf around the square at t = 2.00 s

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd