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Problem: A cannonball is dropped from the top of a building. If the point of release is 32.7 m above the ground,
Part A: What is the speed of the cannonball just before it strikes the ground?
Show all work, use additional paper if necessary to find the speed of the cannonball just before it strikes the ground.
The 1994 Winter Olympics included the aerials competition inskiing. In this event skiers speed down a ramp that slopes sharplyupward at the end. The sharp upward slope launches them into theair, where they perform acrobatic maneuvers.
A bar is 2.0 centimeter thick and 3.0 centimeter wide. Determine its total mass
Two lightbulbs operate on the same potential difference. Bulb A has four times the power output of bulb B. What is the ratio of the current in bulb A to the current in bulb B?
Two stationary point charges of 4 nC and 2 nC are separated by a distance of 60 centimeter. Estimate the electric potential energy of the electron when it is at the midpoint
A grandfather clock is powered by the descent of a 4.40-kg weight. If the weight descends through a distance of 0.750 m in 3.00 days, how much power does it deliver to the clock
A horizontal force of magnitude F = 149 N is used to push a box of mass m = 5 kg from rest a distance d = 13 m up a frictionless incline with a slope q = 22°. How much work is done by the force on the box
in one fusion research program a pellet of hydrogen isotopes will be heated and compressed with intense lasers. if a
The hydraulic oil in a car lift has a density of 8.56 x 102 kg/m3. The weight of the input piston is negligible. The radii of the input piston and output plunger are 6.28 x 10-3 m and 0.199 m, respectively.
For the following circuit: V1 = 300 V, R1 = R4 = 10 ?, R2 = R3 = 20 ? and R5 = 40 ?. Find the equivalent resistance of the network
Pictured is a thin non-conducting disk of radius R = 7.32 centimeter containing an overall charge Q = -50.0 mC, Compute the potential V at point P placed a distance d = 6.65 centimeter from the disk
On a frictionless, horizontal air table, puck A (with mass 0.25 kg) is moving toward puck B (with mass 0.350 kg), that is initially at rest. After the collision, puck A has a velocity of 0.120 m/s to the left, and puck B has velocity 0.620 m/s to the..
a what is de broglies hypothesis? derive the formula for de broglies wavelength for a particle of mass m from the basic
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