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To test the quality of a tennis ball, you drop it onto the floor from a height of 4.00 m. It rebounds to a height of 2.40 m. Suppose the ball is in contact with the floor for 14.0 ms.
What is the magnitude of its average acceleration during the contact with the floor?
If its length is 49.8 m when measured from inside the spacecraft, what is its length measured by a ground observer
On a humid day, an electric field of 2.00 * 10^4 N/C is enough to produce sparks about an inch long. Suppose that in your physics class, use Coulomb's law to calculate the electric field at the surface of the sphere
It is possible for a muon to be captured by a proton to form a muonic atom. A muon is identical to an electron except for its mass, Calculate the magnitude of the lowest energy state
A 73-kg boy is surfing and catches a wave which gives him an initial speed of 1.6 m/s. How much nonconservative work was done on the boy
what is the magnitue of the magnetic field in the centre of a solenoid with a current of 1.25 A, Describe the right hand rule for solenoids
A ray of light originating in oil (n = 1.21) is incident at the Brewster angle upon a flat surface of a quartz crystal (n = 1.458). Determine the angle of incidence for this ray
Tarzan swings on a 31.0m vine initially inclined at an angel of 28.0 degrees to the vertical. What is his speed at the bottom of the swing if he pushes himself with a speed of 2.5m/s
The ball has the speed of 12.1 m/s and is moving in a direction of 33.4 degrees east of north, relative to the ground.
q1. a cart starts from rest at the top of the tilted track. assume the track is frictionless. the cart passes photo
question1a person lifts a 3.60 kg textbook with a 52.0 n force at a 60 degree angle from the horizontal. sketch a
question1a professors office door is 0.92 wide 2.0high and 4.0 thick has a mass of 25 and pivots on frictionless
a base for a building column measures 18.0 in. by 18.0 in. on a side and 12 in. high. compute the cross-sectional area in both square inches and square millimeters. compute the volume in cubic inches, cubic feet, cubic millimemters, and cubic mete..
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