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When the temperature of a copper penny is raised by 100 °C, its diameter increases by 0.18%. To two significant figures, give the percentage increase in Volume.
An 80.0 kilogram skydiver jumps out of a balloon at an altitude of 1060 meter and opens the parachute at an altitude of 170 meter. find the speed of the diver when he lands on the ground
An electromagnetic wave strikes a 1.47-cm2 section of wall perpendicularly. The rms value of the wave's magnetic field is 8.35 x 10-4 T. How long does it take for the wave to deliver 1110 J of energy to the wall?
An electron moves in the positive x-direction a distance of 2.38 m in 2.95 x10-8 s, bounces off a moving proton, and then moves in the opposite direction a distance of 1.63m in 3.53x 10-8 s.
A hall has the dimensions 10m*12m*14m.A fly starting at one corner ends up at a diametrically opposite corner.The magnitude of its displacement is?
Pressure is defined as force divided by area. What are the dimensions of pressure? Express Pressure in terms of SI base units kilogram, meter, and second.
A woman stands in an elevator that has a constant upwardacceleration while the elevator travels upward a distance of18.0 m. What is the acceleration of the elevator
What is the maximum potential that the dome of a van de Graaf generator can be safely charged to if its radius is 20cm and the breakdown electric field in air is 3.0MV/m
Pat (mass 53 kg) and Chris (mass 72 kg) sit in a 26-kg kayak at rest on frictionless water. What's the kayak's speed after Chris catches the pack
A 1000g model rocket is resting horizontally at the top edge of a 40-m-high wall when it is accidentally bumped. How far from the base of the wall does the rocket land
Estimate the terminal velocity for a dust particle in air. Assume it has a radius of 1.0 um and a density similar to that of balsa wood
a simple pendulum has a period t2.93218 s in a location where g 9.80000 ms2. a what is its length m?b what would be
When we pull on the free end of the spring with a force of SN, it causes a displacement of 1cm. Next, we attach a 2.5kg object to the relaxed spring and push it toward the wall a distance of 4cm, then release it. Find the force constant of the spr..
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