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A skier coasts down a very smooth, 10-m-high slope. If the speed of the skier on the top of the slope is 5.0 m/s, what is his speed at the bottom of the slope?
After holding the piston, for a short while, you let it go.what happens to the piston is work done on or by the gas, what happens to the temperature of the gas
a) Write an expression for the magnitude of the force, F, that propels the dragster forward in terms of the variables provided. b) If the track has length L, select the correct symbolic equation for how fast Vf the dragster is traveling when it fi..
a 640 g hollow ball 28 cm in diameter is suspended by a wire and is undergoing torsional oscillations at a frequency of
Another particle, of mass 7.4 10-27 kg, moves along the positive x-axis with a speed of 4.0 106 m/s. (Assume that mass is conserved.) Evaluate the third particle's speed. What is the direction of motion?
A thin 5.6-m metal rod sustanins a longitudinal standing wave with vibration antinodes at each end of the rod. What is the frequency of the rod's vibration
An object is accelerated by a force. If the acceleration increases by a factor 2 and the mass increases by a factor 4, by what factor was the force increased
A small car with mass 0.690 travels at constant speed on the inside of the track that is a vertical circle with radius 5.00. If the normal force exerted by the track on the car when it is at the top of the track (point) is 6.00, what is the normal fo..
A hypodermic syringe is attached to a needle that has an internal radius of 0.303 mm and a length of 3.02 cm. What must the pressure of the fluid in the syringe be in order to inject the solution at a rate of 0.253 mL/s
Party stores sell small tanks containing 40 g of helium gas. If you use such a tank to fill 0.012 m^3 foil balloons, how many balloons can you expect to fill
How should you quote the following measured value and associated error in the form xbest ± Δx?
With a wooden ruler you measure the length of a rectangular piece of sheet metal to be 12 mm. What is the ratio of the rectangle's width to its length
q1. a wheel ofdiameter 30 cmturns through10.5 revolutionswhile rolling without slipping on a surface. what distance
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