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A tennis ball rolls off the edge of a tabletop of height0.710 m above the floor and strikes the floor at a point ahorizontal distance 1.70 m from the edge of the table. You canignore air resistance.Find the magnitude of the initialvelocity.Take the free fall acceleration to beg = 9.80 m/s.
The Superconducting magnet for the experimental MRI studies at a laboratory is a 1 m long solenoid of 60 cm diameter, What is the inductance of the magnet?
A horizontal force does 50 J of work on a box, while the kinetic friction force, between the box and the floor, What is the change in the box's kinetic energy
If 40 g of hot water at 80°C is poured into a cavity in a very large block of ice at 0°C, what will be the final temperature of the water in the cavity? Explain how much ice must melt in order to cool the hot water down to this temperature?
Calculate the force on a 1 meter long length of wire carrying a 5 amp current in a magnetic field of .75 teslas that act perpendicular to the wire. determine the change in the acting force on the wire
The position of a rocket sled on a straight track is given as x = a t3 + b t2 + c, What is the sled's average speed between t = 3.48 s and t = 6.92 s
q1. consider a too-small space station that consists of a 3.1 m radius rotating sphere. a man standing inside is 2.0 m
a student is moving a safe onto a platform. the student needs to push the safe 2.3 m horizontally and then lift it 1.2
An electron (charge=-1.6x10^-19C) is moving at 3x10^5 m/s in the positive x direction. What are the magnitude and direction the magnetic force on the electron
In an ice show a 65.0 kg skater leaps into the air and is caught by an initially stationary 85.0 kg skater. How much kinetic energy is lost?
A charge of 16.8 ?C is at the geometric center of a cube, What is the electric flux through one of the faces
When uranium 92U235 decays, it emits a ray. If the emitted ray has a wavelength of 1.97 x 10-11 m, determine the energy (in MeV) of the ray
A bullet moving horizontally with a speed of 500m/s strikes a sandbag and penetrates a distance of 10.0 cm. What is the average acceleration , in m/s^2, of the bullet
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