What is the force exerted by the muscle

Assignment Help Physics
Reference no: EM13262935

A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. She produces an angular acceleration of 20.0 rad/s2 and her lower leg has a moment of inertia of 0.750 kg · m2.

What is the force exerted by the muscle if its effective perpendicular lever arm is 2.10 cm?

Reference no: EM13262935

Questions Cloud

What is this firm pretax cost of debt : Four years ago, the Morgan Co. issued 15-year, 7.0 percent semiannual coupon bonds at par. Today, the bonds are quoted at 101.6. What is this firm's pretax cost of debt?
Determine the voltage of the power supply : A 200-turn circular coil of wire has a radius of 10.0 cm and a total resistance of 0.115 Ohms. Determine the voltage of the power supply creating the current in the coil
Calculate the power factor of the combined load : A voltage source V = 119
What are cash receipts in march : if excel inc. has projected sales of $30,000 in january, $20,000 in february, and $20,000 in march 80% of sales are on credit 20% are collected in the month of sale and 80% are collected the month after, what are cash receipts in march?
What is the force exerted by the muscle : A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. What is the force exerted by the muscle if its effective perpendicular lever arm is 2.10 cm
Calculate the average power delivered to z2 : A voltage source V = 119
Describe some of the short-term investment vehicles : Describe some of the short-term investment vehicles that you use to manage your cash resources. Why did you elect these vehicles over the alternatives? What are their primary advantages and disadvantages?
Resistance heater and a mixer : A container equipped with a resistance heater and a mixer is initially filled with 5 kg of saturated water vapor at 105 °C. Now the heater and the mixer are turned on; the steam is compressed; and there is heat loss to the surrounding air.
Contemporary design firms you will notice global environment : When reviewing contemporary design firms you will notice a global environment - architectural and interior design was derived from US, British, French, and German firms.

Reviews

Write a Review

Physics Questions & Answers

  What is force of friction and its coefficient of friction

What is the force of friction and its coefficient of friction if a 5 kg box slides on a horizontal plane when its speed decreases 1.5ms-1 in a second?

  Find the decay constant of the material

If 70% of a radioactive sample has decayed in 5.0 x 103 years, what is the decay constant of the material

  What is her acceleration on the rough ice

A helicopter is ascending perpendicularly with a speed of 5.42 m/s. At a height of 146 m above the Earth, a package is dropped from a window. How much time does it take for package to reach the ground.

  How the protons are to hit the target

protons are projected with an initial velocity v0 = 10410m/s into a region where a uniform electric field E = 710 N/C is present. The protons are to hit the target that lies a horizontal distance of 1.27mm from the point where protons are launched..

  What is the speed of the pendulum

A hot iron horseshoe (mass = 0.50- kg) which has just been forged, is dropped into 1.45 -L of water in a 0.50 kg iron pot at first at 22oC. If the final equilibrium temperature is 32oC, calculate the initial temperature of the hot horseshoe (in Ce..

  What would be the minimum coefficient of friction

A tuning fork with a frequency of 356 Hz is found to cause resonance in a closed column of air at 41 cm and at 65 cm. Find the velocity of sound produced by the tuning fork.

  Find the speed of sound on the planet

The occupant of a small vechical hears a frequency of 1.5x10^3 Hz emitted from a stationary space buoy, What is the speed of sound on the planet

  What is the magnitude of the total momentum of the system

At a certain location, the horizontal component of the earth's magnetic field is 4.90 10-5 T, due north. A proton moves eastward with just the right speed, so magnetic force on it balances its weight. Find the speed of the proton.

  Illustrate energy bar graphs to solve the problem

Illustrate energy bar graphs to solve the problem . What is amplitude of the oscillations.

  At what distance from the wire would the magnitude

At what distance from the wire would the magnitude of the magnetic field equal to the strength of the Earth's magnetic field of 5.0 x 10^-5 T?

  Find out the coefficient of sliding friction

Find out the coefficient of sliding friction

  What is the resistance of the rod

Kelli weighs 417 N, and she is sitting on a playground swing that hangs 0.44 m above the ground. Her mom pulls the swing back and releases it when the seat is 1.00 m above the ground. Imagine that air resistance is negligible.

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