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A 20.5 Newton weight is held in the outstretched hand of a person with a shoulder-to-elbow length of 25.0 centimeter and an elbow-to-wrist length of 20.5 centimeter. The center of the weight is 6.5 centimeter from the person's wrist.
Find the magnitude of the torque about the elbow produced by weight.
Find the magnitude of torque about the shoulder produced by the weight.
Suppose you carry a bag of groceries weighing 100 N from your car to your kitchen, a distance of 61 m, without raising or lowering the bag
430 cm3 of water at 86°C is mixed with 120 cm3 of water at 11°C. Calculate the final equilibrium temperature, What is the equilibrium temperature after initial heat loss
A relatively loud sound can be created because a standing wave occurs in the bottle. Explain why the pitch of the sound becomes higher
A 2.0 kg ball swings in a vertical circle on the end of an 80cm long string. Calculate the speed, magnitude and direction of acceleration
question 1two astronauts yuri and valentina are flying their rockets towards each other both at a speed of 09c as
A shell is fired wit ha horizontal velocity in the poxitive x direction from the top of an 80m hight cliff. Determine the initial speed of the shell
A displacement, s, of an object as a function of time, t, is given by , Find an expression for the acceleration of the object
A student throws a set of keys vertically upward to her sorority sister, who is in a window 4.00 meter above. Find with what velocity were the keys thrown
Two large equipotent surfaces are flat and parallel and separated by a relatively small distance compared to their size. One surface is at 25 V and the other is at 33 V. The surfaces are 1.25 cm apart. What is the direction of the electric field m..
A thin uniform rod (mass = 1.75 kg) swings about an axis that passes through one end of the rod, What is the maximum kinetic energy of the rod
A rocket traveling at 0.540c sets out for the star, which is 5.45ly away from earth. It will return to earth immediately after reaching the star. According to the rocket crew how far will the rocket travel
A square wire 2.0 cm on each side is oriented so that a 5.00 mT magnetic field makes a 30.0 degree angle with the normal to the plane of the square. how many loops does the wire make
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