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A cacher catches a 145 g baseball traveling horizontally at 34 m/s,
A. How large an impulse does the ball give it to the catcher.
B. If it takes the ball 22.ms to stop once it is in contact with the catchers glove, what average force did the ball exert on the catcher?
A sled is dragged along a horizontal path at a constant speed of 1.5 m/s by a rope that is inclined at an angle of 30.0° with respect to the horizontal, How much work is done by the rope on the sled
An alpha particle (the nucleus of a helium atom, with charge +2 and a mass four times that of a proton), What is the speed of the antiproton when the particles are 1.6 nm apart
a car initially running at 10 m/s applies brake and stops in 10 secs. What is the deceleration produced by the brakes
A vessel which contains an ice-water mixture at 0C is in thermal contact with a water-steam mixture at 100 C. how many grams of ice melts
The photoelectric effect experiment is often carried out by using a mercury light source to illuminate a particular surface. What is the work function of this surface
A 50 kg diver in a full layout position, What is the diver's angular velocity when she assumes a tuck position, reducing her radius of gyration to 0.25 m
Compute the magnitude and direction of the total gravitational force exerted on one sphere by the other three.
A metal rod is 40.127cm long at 20.3 oC and 40.149cm long at 45.0 oC. Calculate the average coefficient of linear expansion of the rod's
A 1.00 multiplied by 103-kg Toyota collides into the rear end of a 2.2 multiplied by 103 kg Cadillac stopped at a red light. The bumpers lock, the brakes are locked.
A second fragment, who's mass is 3.4 kg, moves away from the point of explosion with a speed of 418 m/s along the negative x axis. What is the speed of the third fragment? Ignore effects due to gravity.
Calculate the electric field from four point-charge: +q at -d and -q at -d/2; 2q at d and -2q at d/2 on the z-axis, First calculate the electric potential, and then calculate its radient.
A light ray in air is incident on a transparent material whose index of refraction is n, Evaluate your expression for light incident on glass
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