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A 52.4-gram ball is thrown from the ground into the air, with an initial speed of 16.3 m/s at an angle of 27.4o above the horizontal, Find the values of the kinetic energy of the ball initially and just before it hits the ground? Determine the corresponding values of the momentum (direction and magnitude) and the change in momentum, Show that the change in momentum is equal to the weight of the ball multiplied by the time of flight, and thereby determine the time of flight.
In this problem you will consider the balance of thermal energy radiated and absorbed by a person. Find the net power radiated by the person when in a room with temperature . Express the net radiated power numerically, to the nearest 10 W
bartender slides a beer mug at 1.2 m/s towards a customer at the end of a frictionless bar that is 1.3 m tall. What are the speed and direction of the mug at impact
a fresnel zone plate is prepared with a drawing program and printed on a laser printer. the printed zone plate has a
A fire helicopter carries a 520-kg bucket of water at the end of a 20.0-m long cable. Flying back from a fire at a constant speed of 40.0 m/s, Determine the force exerted by air resistance on the bucket
Water having a density of 1000kg/m^3 is flowing with a velocity of 3 m/s through a pipe. Determine the water velocity at the restriction
A 2.00-kg mass object traveling east at 20.0 m/s collides with a 3.00-kg mass object traveling west at 10.0 m/s. How much kinetic energy was lost during the collision
A parallel plate capacitor is composed of two square plates, 8.5 cm on a side, separated by an air gap of 1.00 mm, Find the new capacitance
In a hydraulic lift, the maximum gauge pressure is 18.5 atm. If the diameter of the output line is 18.7 cm, what is the heaviest vehicle that can be lifted
The top of a refrigerator has an area of 0.6m2. The height of the refrigerator is 180 cm. What volume does refrigerator occupy in cubic meters.
Ina mass spectrometer, ions are directed into a magnetic field, where they curve around in the field and strike a detector. If several singly ionized atoms travel at the equal speed through the magnetic field, would you expect them all to be defle..
A sealed container has a volume of 0.0030m^3 and contains 30 g of molecular nitrogen which as a mass of 28u. What is the pressure of nitrogen gas
When light is incident on a surface the critical angle is 40.0 degrees. The two materials are air and glass. What is the polarization angle for this light
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