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The triceps muscle in the back of the upper arm extends the forearm. This muscle in a professional boxer exerts a force of 2.00X10^3 N with an effective perpendicular lever arm of 3.00 cm, producing an angular acceleration of the forearm of .120 rad/s^2. What is the moment of inertia of the boxer%u2019s forearm?
Using a 677-nm wavelength laser, you form the diffraction pattern of a 0.111-mm wide slit on a screen. How far is the screen located from the slit
Two runners compete in a race of 10.04 km. One runner has a steady speed of 11.14 km/h. What is the difference in time for the two runners
A gymnast of mass 55.0 hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch. Use the value for the acceleration of gravity.
A 53.0-kg person jumps from rest from the top of a 10.0-m-high tower straight down into the water. Determine the magnitude of the average force that the water exerts on the diver
the lowest pressure attained in a "vacuum" in a laboratory on the earth is 1X10^-17 atm at a termperature of 4.1 K. what is the number of molecules per cubic centimeter in this vacuum
A ray of sunlight is passing from diamond into crown glass; the angle of incidence is 28.10°. Determine the angle between the refracted blue and red rays in the crown glass
A snowboarder starts from rest and glides down a hill that is 100m high. Assuming no friction, what is her speed at the bottom of the hill
The lenses of a particular set of binoculars have a coating with index of refraction n = 1.38, and the glass itself has n = 1.52. what is the minimum thickness of the coating
An object 2.0 cm high is placed 45 cm from a concave mirror of radius 10 cm and radius of curvature 60 cm. Find the location, size, and orientation of the image
A 120 g trick baseball is thrown at 51 km/h. It explodes in flight into two pieces, with a 50 g piece regular straight ahead at 86 km/h. How much energy do the pieces gain in the explosion.
A person can be killed if a current as small as 50 mA passes near the heart. An electrician is working on a humid day with hands damp from perspiration. What potential difference between the two wires
Write a paper follow below instructions: -the three classes of pumps which are, positive displacement, momentum transfer and entrapment
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