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Bob pushes a box across a rough inclined plane at an angle of 20 degrees to the horizontal at a constant speed of 1 m/s. The box has a mass of 30kg.
a. Draw an AP style free body diagram (no components).
b. Find the work Bob does given the coefficient of kinetic friction is .3.
A 2.0 kg baseball bat 1.2 meters long is supported at bothends. One end pushes upwards with a force of 6 newtons. What is the upward force at the other end
Argue the true intended audience for this poem, adult, or child. Identify and explain three scenes from the poem that support your argument.
A circular saw blade of diameter 0.180m starts from rest. In a time interval of 5.80s it accelerates with constant angular acceleration to an angular velocity of 140 rad/s. Find the angle through which the blade has turned
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A satellite weighing 500 kg is in a circular orbit around the earth. It takes exactly 3 hours to go around the earth. what is the force of gravity on this satellite
How do you add 4 vectors of varying length and direction using the tip to tail method in 1D
A bat in a cave emits a sound pulse and receives an echo 0.22 second later. Assuming that the speed of sound is 339 m/s, how far did the sound (the longitudinal wave) travel during this time.
As part of a safety investigation, two 1200 {rm kg} cars traveling at 24 {rm m/s} are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.80 {rm s} to stop, and (b) car that hits a..
Find the electric field energy density and the energy content for a spherical capacitor of radii r1 and r2 where they hold charges of q and -q
A 6.50 x 104-kgspace probe is traveling at a speed of 13000 m/s through deep space. Retrorockets are firedalong the line of motion to reduce the probe's speed. The retrorockets generate a force of 4.50 x105 N over a distance of 2500 km.
an object with a mass of .40 kg moving with a speed of 25 m/s is brought to rest after sliding on a rough surface. What is the stopping distance of the object
a wedding ring of diameter 2.21 cm is tossed into the air and given a spin resulting in an angular velocity of 13
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