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Showed that (ignoring friction) the magnitude of Adam's acceleration down the slide would be a = g sinθ 1 Assuming that Adam starts from rest at the top of the ramp and that you ignore the effect of friction, how fast would he be moving when he reaches the bottom of the ramp (i.e., after he has slid a distance L 1= 50 m)?
q1. a 500 g rubber ball is dropped from a height of 10 m and undergoes a completely elastic collision with the earth.a
Two metal spheres, each of mass 14 g and initially at rest, are dropped from a height of 6 m in an evacuated chamber. Find the difference in final speeds of the two spheres
q1. a skier starts from rest at the top of a hill that is inclined at 12.0deg with the horizontal. the hillside is
A 0.25 harmonic oscillator has a total oscillation energy of 9.9 J. If the oscillation amplitude is 20.0 cm, what is the oscillation frequency?
To charged dust particles exert a force of 3.2 * 10-2N on each other. What will be the force if they are moved so they are only 1/8 as far apart?
Bowling balls can be made from a variety of substances and are required to have a circumference of roughly 27.2 inches. calculate the thickness of the shell
Neal (75 kg), a beginning skier, gets a little too ambitious and loses control on the slope. What is their speed immediately after the collision
A telescope has an objective with a refractive power of 1.35 diopters, What is the angular magnification of the telescope
A generator has a square coil consisting of 320 turns. The coil rotates at 67 rad/s in a 0.34 T magnetic field. What is the length of one side of the coil
A Speaker (which is to be treated as the source point) emits sound at a frequency of 4x10^3 Hz and a power of 28 Watts. What is the power intercepted by your ear
A 1.15-k? resistor and a 590-mH inductor are connected in series to a 1250-Hz generator with an rms voltage of 13.1V, What is the rms current in the circuit
An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 oC and rejects heat to a room at 24.0 oC. How much energy must be supplied to the device
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