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A golfer, standing on a fairway, hits a shot to a green that is elevated 6.91 m above where she is standing. If the ball leaves her club with a velocity of 33.2 m/s at an angle of 32.1 ° above the ground, find the time that the ball is in the air before it hits the green.
if the battery in a circuit is taken out and the current becomes zero. how does the current remain zero without the battery
Two 5.0cm×5.0cm metal electrodes are spaced1.1mm apart and connected by wires to the terminals of a 9.0 V battery. What is the potential difference between electrodes
A screen 1-m wide is 2.0 m from a pair of slits illuminated by 633-nm laser light, with the screen's center on the center line of the slits. How many fringes will be visible on the screen
After flying for 15 min in a wind blowing 42 km/h at an angle of22°south of east, What is the speed of the airplane relative to the air
A water pipe having a 2.96 cm inside diameter carries water into the basement of a house at a speed of 0.804 m/s, find water pressure and speed at the second floor
What friction torque is necessary to reduce its angular speed from 90.0 {rm rpm} to 45.0 {rm rpm} in a time interval of 32.0 {rm s}.
A mortar* crew is positioned near the top of a steep hill. Enemy forces are charging up the hill and it is necessary for the crew to spring into action. How long will the mortar shell remain in the air
The molecule has a rotational kinetic energy that is of the translational kinetic energy of its center of mass. What then is molecule's angular speed about the center of mass.
The muon is a subatomic particle with the same charge as an electron but with a mass that is 207 times greater: mmu=207me. Physicists think of muons as "heavy electrons."
A second baseman tosses the ball to the first baseman, who catches it at the same level from which it was thrown. How long is the ball in the air
A 12-kg box is free from the top of an incline that is 5.00m long and makes an angle of 40 degrees to the horizontal. A 60-N friction force impedes the motion of the box.
Assuming that the Earth is spherical and recalling that latitudes range from 0° at the Equator to 90° N at the North Pole, how far apart, measured on the Earth's surface
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