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A man pushes a 37 kg lawn mower using a handle inclined 30.0 degrees from the horizontal. He pushes with 80 N directed along the handle.
Part A What's the mower's weight?
Part B What's the normal force on the mower?
Part C What's the mower's acceleration (ignoring friction)?
As you get ready for your early morning physics class, you comb your hair in front of a planar mirror. How far away from you is your image
The calorimeter neither loses energy to nor gains energy from the external environment. What is the latent heat of fusion of the unknown material?
A train is traveling due west with a velocity of 101.2 mph and then makes a turn to the northwest with a velocity of 95 mph
question 1 in cylindrical coordinates ds2 drho2 p2dphi2 dz2. find the non-zero christoffel symbols and the equations
A parallel plate capacitor has plates 5.0cm by 4.5cm. The plates are seperated by 1.8mm thickness of paper. (dielectric constant=3.7), obtain the energy stored in the capacitor.
Two small metallic spheres, each of mass m = 0.25 g, are suspended as pendulums by light strings from a common point, what is the magnitude of the charge on each sphere
Consider the Earth and a cloud layer 900 m above the planet to be the plates of a parallel-plate capacitor. what is the maximum charge the cloud can hold
During normal operation, a computer's hard disk spins at 7200 rpm. what is the average angular acceleration of the hard disk in rad/s2
A 2 kg ball has been thrown vertically upward. If we ignore the air resistance, what are the direction and size of the net force acting on the ball while it is traveling upward?
The radius of a proton is 0.9e-15 m; suppose that if the particles touch, the distance between their centers will be twice that. What will be the total kinetic energy of both particles an instant before they touch.
A jeweller working with a heated 44 g gold ring must lower the ring's temperature to make it safe to handle. If the ring is initially at 94 degrees Celsius, what mass of water at 25 degrees Celsius is necessary to lower the ring's temperature to 35 d..
An electron and a anti-electron (Positron) circle eachother at a distance of 1.00x10^-19m. What is the electrostatic force between the particles? What is the potential energy of the system? Is this energy positive or negative?
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