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A boy can throw a ball a maximum horizontal distance of40.0 m on a level field. How far can he throw the same ball vertically upwards? Assume the ball has the same speed in each case.
A soccer player kicks a rock horizontally off a 41.9 m high cliff into a pool of water. If the playerhears the sound of the splash 3.09 slater, what was the initial speed given to the rock? Assume the speed of sound in air to be 343 m/s.
A rotten pumpkin of mass 2.44 kg is dropped from a height of 2-m above the ground. Ignore air friction. Let the positive y-axis point down. How much momentum will the pumpkin have
The drill bit of a variable-speed electric drill has a constant angular acceleration of 5.65 rad/s2. The initial angular speed of the bit is 6.56 rad/s. what angle has the bit turned through
A 10-uF, a 20-uF, and a 50-uF capacitor are connected in series across a 160 volt source. What value of charge is on each capcitor
A small space telescope at the end of a tether line of length L moves at linear speed v about a central space station. What will be the linear speed of the telescope
A tenth of a ring of charge has charge density ?. What is the electric field at the center of the ring
You place 73 moles of hydrogen gas in a balloon of volume 2.6 m3, and find the pressure to be 1.4 times atmospheric pressure. What is the typical speed of a hydrogen molecule?
A 1.10 kg mass is at the center of a uniform spherical shell of mass 1.09 1020 kg and radius 1.05 106 m. Find the resultant gravitational force on the mass
A positively charged oil drop is injected into a region of uniformelectric field between two oppositely charged, horizontallyoriented plates spaced 16 cm apart. If the electric force on thedrop is found to be 7.8 x 10-16 Nand the electric field m..
Pat builds a track for his model car out of wood. The track is 14.00 cm wide, 3.00 m long, Locate the horizontal coordinate of the center of gravity of this track
A warehouse worker pushes a crate along the floor, by a force of 5.0N that points downward at an angle of 45° below the horizontal. find the horizontal component of the push.
A potato gun is capable of launching a spud farther than a TigerWood's drive. If the muzzle speed is 53 m/s, and it is launched atan angle θ = 46°, what is its speed at the time it hits the ground (in m/s)?
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