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A) Determine how much work is required to accelerate a proton from rest up to a speed of 0.980 c?
B) Find what would be the momentum of this proton?
A stone is thrown horizontally at a speed of 4.9 m/s from the top of a cliff 89.5 m high, how long does it take the stone to reach the bottom of the cliff.
A thermocouple junction is a small ball of solder with diameter D=0.71 mm. The thermocouple is used to gauge the temperature of a gas stream. Under the conditions employed, the convective heat transfer coefficient is h=400 W/m2 -K. How can one speed ..
A proton is passing through a uniform, 0.500-T magnetic field and is directed along the x axis. find the pitch of the helix
A 56-? loudspeaker, a 8.9-? loudspeaker, and a 2.3-? loudspeaker are connected in parallel across the terminals of an amplifier. Determine the equivalent resistance of the three speakers
Suppose the Eskimo is pushing the same 50.0-kg sled across level terrain with a force of 50 N. If he does 4 x 10^2J of work on the sled while exerting the force horizontally, through what distance must he have pushed it.
A lead bullet initially at 26.4oC melts just upon striking a target. calculate the speed of the bullet upon impact
An 11.8 kg block of metal is suspended from a scale and immersed in water, What are the forces exerted by the water on the top and bottom of the block
A lens system consists of two lenses18.0 cm apart. The first lens is convex (converging) and has a focal length of 9.90 cm. An object is placed 3.96 cm in front of the first lens and produces an image 9.90 cm behind the second lens. What is the focal..
The 73 kg student balances an 1100 kg elephant on a hydraulic lift. Inside the lift is filled with oil and the diameter of the piston the elephant is standing on is 2.0 m, What is the second student's mass
A 20 g bullet traveling at 300 m/s is shot into a 4.0 kg block at rest on a frictionless horizontal surface. What is the speed of the block right after shooting
A lamp is designed to operate at a temperature of 3100K. what will be the fractional increase in radiant energy
A straightforward method of computing the density of an object is to measure its mass and then measure its volume by submerging it in a graduated cylinder. Find what is the density of a 220 gram rock that displaces 87.0 cm3 of water
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