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A baseball was hit at 45 m/s at an angle of 45o above the horizontal. Determine how long did it remain in the air? Determine how far did it travel horizontally?
A rifle with a weight of 30 N fires a 3.0 g bullet with a speed of 210 m/s. Find the recoil speed of the rifle
in extremely cold weather conditions where the inside thermostat is set to 27 c and the outside temperature is -20 c
A 1000 kg airplane touches down on an icy runway, heading northward at 110 km/h. Find the speed and direction of the combined wreckage
hopping into your porsche you floor it and accelerate at 13.0 ms2 without spinning the tires. determine the minimum
An electron has a momentum that is two times larger than its classical momentum. Find the speed of the electron
Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.05 10-3 g. Find the mass density inside the box
A satellite is orbiting EArth at a distance o f 35 kg. The satellite has a mass of 500 kg. What is the force between the planet and the satellite? Check the units.
A symmetric bi-covex lens has radii of curvature R and athickness of d. Find its focal length using matrix methods
A certain humidifier operates by raising water to the boiling point and then evaporating it. Each minute 30 g of water at 20? C is added to replace the 30 g that are evaporated. The heat of fusion of water is 333 kJ/kg, the heat of vaporization is225..
A bicycle travels 141 m along a circular track of radius 30 m. What is the angular displacement in radians of the bicycle from its starting position
Consider 0.8 grams of air (which may be assumed to be an ideal gas) at 295 K and 1.5 bar trapped in a rigid tank. An electrical heater is operated for 30 seconds. During this time the voltage across the heater is 12 V and 0.6 amps pass through the..
Although California is known for earthquakes, it has large regions dotted with precariously balanced rocks that would be easily toppled by even a mild earthquake. What would be the magnitude of the maximum acceleration of the oscillation, in terms ..
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