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A person throws a rock straight up into the air. At the moment itleaves the person's hand it is going 33mph. When the rock reaches its peak, how fast is it going and whatis the magnitude and direction of its acceleration?
Speed
Acceleration
A uniform magnetic field is perpendicular to the plane of a single-turn circular coil. What emf and current are induced in the square coil
A 50 newton horizontal force pushes a 10kg mass sitting on a horizontal surface. What is the acceleration of the mass
In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (?78.5°C) and in boiling allyl alcohol (97°C). What pressure would be found at the freezing point of water
If the hanging 13.8 kg block falls a distance 0.633 m before coming to rest, calculate the coefficient of kinetic friction between the block m1 and the surface
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A certain part of an aircraft engine has a volume of 2.6 ft3. Determine how much weight is saved by using aluminum instead of nickel
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the driver sees a child standing on the road. She takes .80 s to react, then steps on the brakes and slows at 6.5 m/s squared. Explain how far does the car go before it stops?
A fireman clings to a vertical ladder and directs the nozzle of a hose horizontally toward a burning building. The rate of water flow is 6.28 kg/s, and the nozzle speed is 13.0 m/s. The fireman holds the nozzle 1.42 m vertically above his boots on..
An airplane propeller is 3.08 in length (from tip to tip) and has a mass of 142. What is the propeller's angular speed after making 5.00
A 100kg hollow sphere is neutrally buoyant and completely underwater. Its volume is 0.5 cubic meter. what fraction of this volume is helium
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