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Imagine you are holding an object in your hand with your forearm horizontal and your upper arm vertical so your elbow creates a 90° angle. If your biceps attach to your forearm 0.0597 m from the elbow and make an angle of 27.0° with the vertical while a 2.00 kg mass is held in your hand 29.03 cm from the elbow, what force is exerted by the biceps muscle? Ignore the mass of the forearm.
An electron is released from rest at a perpendicular distance of 9.6 cm from a line of charge on a very long nonconducting rod. What is the magnitude of the electron's initial acceleration
A 785 Hz sound wave travels through a gas. If the wavelength of the sound is 0.6 m, what is the speed of sound in the gas
In a home laundry dryer, a cylindrical tub containing wet clothes is rotated steadily about a horizontal axis, what rate of revolution is needed
A golfer hits a shot to a green that is elevated 3.00 m above the point where the ball is struck. find the speed of the ball just before it lands
Two wires, each of length 1.2 m, are stretched between two fixed supports. Find the speed at which the individual waves travel on each wire
A log splitter uses a pump with hydraulic oil to push a piston, which is attached to a chisel. find the power needed to operate the log splitter's pump
Assume the wheel has a constant negative angular acceleration of magnitude 2.50 rad/s2. Explain through how many radians has the wheel turned during the interval found in (a) which is 4.98?
Refer to your DRAFT Hypothesis and Design. Review the "Scientific Method Tutorial" (all six parts) found in "Science Learning Center" in "Course Resources" in the "Course Content" area of our electronic LEO classroom. Did you apply these concep..
A modern sculpture has a large horizontal spring, with a spring constant of 274 N/m, By how much has the spring stretched
A circular loop of radius 21 cm is located in the plane of the paper inside a homogeneous magnetic field of 0.3 T pointing into the paper. It is connected in series with a resistor of 127 W. The magnetic field is now increased at a constant rate b..
A 25 resistor is connected across a 120 source. The resistor is then lowered into an insulated beaker, containing 1.0 of water at 19, for 90 sec, What is the final temperature of water
A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 3.00 m/s, and her takeoff point is 1.80 m above the pool. What is her highest point above the board
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