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A man is doing push-ups, as shown in the figure below. He has a mass of 74.0 kg and his center of gravity is located at a horizontal distance of d1 = 0.730 m from his palms and d2 = 1.10 m from his feet. Calculate the forces exerted by the floor on his palms.
Now calculate the forces exerted by the floor on his feet.
You are a secret agent and find that you have been pushed out of an airplane without a parachute. what is your new terminal velocity with the coat
a solid cylinder rolls down an inclined plane without slipping. what is the angle of the incline to the horizontal
A 20.0-kg package is dropped from a high tower in still air and is "tracked" by a radar system. Determine the force of air resistance on the package
A beam of hydrogen molecules (H2) is directed toward a wall, at an angle of 58° with the normal to the wall. What is the beam's pressure on the wall
The angular position of a pendulum is represented by the equation given below where ? is in radians and ? = 4.12 rad/s. Determine the period and length of the pendulum
questionan elevator of mass 2268 kg rest at a level of 7.62 m above a base of elevator shaft. it is raised to 76.2 m
The pressure gauge on a tank registers the gauge pressure, Determine the mass of oxygen that has been withdrawn from the tank when the pressure reading is 22.4 atm
aircraft has cross section of 710 m^2, what percentage of radiated energy will be detected
Two negative charges, Q = -30 \mu C are placed on the x-axis at x = +0.25 m and x = -0.25 m. How much energy does it take to assemble these two charges
There is a tree in the middle of your front yard and you take pictures of a squirrel as it runs around the tree. what is the average acceleration of the squirrel between the first and third pictures
A power station uses 100 kV to deliver power to a building. The building has a total resistance of 12.5kV. How much power is delivered to the building
The potential difference between the plates of a capacitor is 180V. Midway between the plates; a proton and an electron are released. The electron is released from rest.
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