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A skydiver, mass 80 kg, jumps out of an airplane traveling 150 km/h horizontally at an altitude of 1000 m. When she reaches the ground, her speed is 8.0 m/s. How much energy was dissipated with air resistance during the jump?
A shell is fired with a horizontal velocity in the positive x direction from the top of an 80-m high cliff. Determine the initial speed of the shell
A cubical box with each side of length 0.24 m contains 1.050 moles of neon gas at room temperature (293 K). What is the average rate (in atoms/s) at which neon atoms collide with one side of the container? The mass of a single neon atom is 3.35 10-26..
Assume you are part of a team that is trying to break the sound barrier with a jet-powered vehicle, which means that it must travel faster than the speed of sound in air. Find what speed must your vehicle exceed
We have a parallel plate capacitor with two plates containing charges +Q and -Q a distance d = 2.00 cm apart. We release a proton from rest at point A, just above the lower plate. At point B, just before the proton strikes the upper plate, the pro..
On a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s, What are the magnitude and direction of the velocity of the red glider after the collision
Two soccer players start from rest, 30 m apart. They run directly toward each other, both players accelerating. How much time passes before the players collide
A 0.015 kg lead bullet is tested by firing it into a fixed block of wood with a mass of 1.08 kg. Estimate the entering speed of the bullet
A lead sinker of mass 225 grams and density of 11.3 g/cm3 is attached to the bottom of a wooden block of mass 25 grams and density 0.5 g/cm3
find out the magnitude of force exerted on the lower end of the boom by the hinge.
A sled of mass 5.37 kg is coasting along on a frictionless ice-covered lake at a constant speed of 1.13 m/s. At what speed does the sled move once the book is on it
Suppose that global lightning on the Earth constitutes a constant current of 1.00 kA between the ground and an atmospheric layer at potential 260 kV. Determine the power of terrestrial lightning
What should the charge (sign and magnitude) of a particle of mass 1.47 be for it to remain stationary when placed in a downward-directed electric field of magnitude 610.
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