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To celebrate a victory, a pitcher throws her glove straight upward with an initial speed of 6.5 m/s a) How long does it take for the glove to return to the pitcher? b) How long does it take for the glove to reach its maximum height?
what the electrostatic force acts on the proton.
Assume a constant upward slope of 32; calculate the horizontal and vertical components of the acceleration of a truck that slowed from 140 to rest in 7.3.
The distance to the Andromeda Galaxy is estimated at about 2 ´ 106 light years. A light year is distance travelled by light in one year; if the speed of light is 3 ´ 108 m/s, about how far is it from our galaxy to Andromeda? (1 year = 3.15 ´ 107 s..
The wheel of a car has a radius of .350 m. the engine of the car applies a torque of 295 Nxm to this wheel that does not slip against the road surface.
What must the charge (sign and magnitude) of the particle of mass 1.42 g be for it to remain stationary when placed in a downward-directed electric field of magnitude 650 N/C.
An observer, whose eyes are 1.77 m above the ground, is standing 28.0 m away from a tree. The ground is level, and the tree is growing perpendicular to it. The observer's line of sight with treetop makes an angle of 22.0° above the horizontal. How..
Find time constant if the ball's amplitude has decreased to 2.20 cm after 51.0 oscillations? Explain your answer.
The leg and cast weigh 220 N. find out the weight and the angle needed so that no force is exerted on the hip joint by the leg plus the cast.
A box is put on a slide to move it from one part of a factory to another the slide is at an angle of 20 degrees below the horizontal the coefficient of friction between the box and slide is 0.352 what is the acceleration of the box.
A person with perfect pitch sits on the bus bench listening to the 442 Hz horn of an approaching car. If the person detects a frequency of 479 Hz, how fast is the car moving.
An antelope moving with constant acceleration covers the distance 77 m between two points in time 7.4 s. Its speed as it passes the second point is 15.5 m/s. What is its speed at first point.
A loudspeaker at a rock concert generates 10-2 W/m2 at 18 m at a frequency of 1 kHz. Suppose that speaker spreads its energy uniformly in all directions. What is the intensity level at 18.00m.
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