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A 65.0 g bullet is fired vertically with an initial velocity of 123 m/s. What is its velocity at its highest point of travel? What maximum height does it reach? At what velocity does it hit the ground?
A sealed tank containing seawater to a height of 11.1m also contains air above the water at a gauge pressure of 2.85atm. How fast is the water moving
A skier starts at the top of a hill angled at 30 degrees from the horizontal. The hill is 100 meters long. how fast is he going when he reaches the bottom of the hill
If gravitational forces alone prevent a spherical, rotating neutron star from disintegrating. Evaluate the minimum mean density of a star that has a rotation period of one millisecond
a gas cylinder containing 3.88 mol of helium has a pressure of 549 mm hg at 298 k.if 1.22 mol of neon is added to this
q1. a vertical electric field of magnitude 3.00 104 nc exists above the earths surface on a day when a thunderstorm is
Find the current in the resistor (in A). Find the magnetic force on the bar (in N). Find the power dissipation in the resistor (in W). Find the rate of the mechanical work done by the agent pulling the bar (in W).
Some gliders are launched from the ground by means of a winch, which rapidly reels in a towing cable attached to the glider. Find what average power must the winch supply
A basketball player shoots a 0.75-kg ball into a basket by shooting the ball with an initial speed of 12 m/s at an angle of 60 above the horizontal. The basket is three meters o the ground and the ball leaves her hand at a height of 1.4 meters above ..
Neglect air resistance for the following. A soccer ball is kicked from the ground into the air. When the ball is at a height of 12.6 m, its velocity is (5.5 + 4.5) m/s. To what maximum height will the ball rise
an object is launched with an initial velocity of 23.4 ms at an angle of 38.5 degrees above the horizontal. it lands on
Calculate g for space shuttle territory. A 7.0×10-2-{rm kg} toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with the constant speed of 1.30 m/s in a horizontal circle of radius 0.47 m.
A water pistol aimed horizontally projects a stream of water with an initial speed of 6.90 m/s. How far does the water drop in moving 1.50 m horizontally? How far does it travel before dropping a vertical distanceof 2.00 cm?
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