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Problem: Andy is standing on the ground and the ground reaction force is 78 N in the x direction and 609 N in the y direction. The point of application of the ground reaction force is located 0.031 m to right and 1.001 m below his hip joint center.
A- Estimate the torque produced by muscles that span his hip joint?
I need expert help to solve the above problem and neglecting the segmental mass terms.
A cheetah is after its prey, which has a mass that is one-half that of the cheetah. When both start from rest, the cheetahsustains 2.50 times the acceleration as does its prey in the same time period.
A 12 gram ball is dropped form a height of 2.50m and is moving and is moving at 3.2m/s just before it hits the floor. how much total mechanical energy was lost in the fall
a 1200 kg car going 25m/s is brought to stop using its brakes. what is the change in temperature of the brakes and wheels
water is moving with a speed of 2.3 ms through a perfectly sealed long pipe with a cross sectional area of 5 cm2. the
(a) What is the light intensity on a wall 3.0 m away from the lightbulb. (b) Where did the 96 W go. (c) A krypton laser produces a cylindrical red laser beam 3.0 mm in diameter with 4.0 W of power.
What is relative velocity
What is a typical neutron star density
An electric field of 1.48 kV/m and a magnetic field of 0.387 T act on a moving electron to produce no net force. If the fields are perpendicular to each other, Determine is the electron's speed?
Two people pull as hard as they can on horizontal ropes attached to a boat that has a mass of 200 kilogram. Find the magnitude of the force each person exerts on boat
Use the unit factor method to solve the following problems. Set up each problem in the exact same way (using all six steps). Show all your work. Apples sell for 43 cents a pound. How much do 3.2 pounds of apples cost? Gold costs $500 per ounce. A sol..
The string connecting the m1 and the m2 passes over a light frictionless pulley. Given m1 = 1.77 kg, m2 = 7.24 kg, m3=2.23 kg, and g = 9.8 m/s2. The acceleration of gravity is 9.8 m/s2 . Find the downward acceleration of m2 mass.
You have a special lightbulb with a very delicate wire filament. What is the largest root-mean-square current you can run through this bulb
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