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A 583 g ball strikes a wall at 14.5 m/s and rebounds at 11.6 m/s. The ball is in contact with the wall for 0.047 s. What is the magnitude of the average force acting on the ball during the collision?
A spacecraft moving away from Earth emits a 4496 Hz signal. What is the speed of the spacecraft relative to Earth
A neon atom (m = 20.0 u) makes a perfectly elastic collision with another atom at rest. What is the mass of the unknown atom
Why is it that a grow-lamp tube has an apparent color temperature of 5500 K and is cool to the touch. However, the much dimmer tungsten lamp burns on touch? What would the blackbody spectrum of the tube look like?
a 3.2cm wide diffraction grating has 1700 slits. it is illuminated by light of wavelength 520nm. what is the angle in
A conducting sphere that carries a total charge of +25 µC is placed at the center of a conducting spherical shell that also carries a total charge of +25 µC, find the total charge on the outer surface of the shell
The intensity (in W/m2) of one sound is 2.97 times as great as the intensity of another sound. Relative to the quieter sound, what is the intensity level of the louder sound
A long solenoid has 1580 turns in a length of 40.0 cm. What current has to flow through the solenoid in order to generate a magnetic field of 3.45 ?T in its interior
Two boys on ice skates stand face to face and then push each other away. Their masses are 50 kilogram and 60 kilogram. Find which boy had the higher speed
A 65kg man is riding on a 22kg cart traveling at a speed of3.6 m/s. What is the resulting change in the cart's speed
a ship has a propeller drive shaft that is turning at 1500rmrevkern 1pt rmkern 1pt rmmin while developing 1750hp . it
In proton-beam therapy, a high-energy beam of protonsis fired at a tumor. The protons come to rest in the tumor,depositing their kinetic energy and breaking apart thetumor’s DNA, thus killing its cells. For one patient, it isdesired that 0.10 J of pr..
A charge particle of mass .0020kg is subjected to a 6 T magnetic field which is acts as a right angle to its motion. if the particle moves in a circle of radius .20m at a velocity of 5.0 m/s. what is the magntiude of the charge on the particle.
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