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A car, on a straight road, is stopped at a traffic light. When the light turns to green the car accelerates with a constant acceleration. It reaches a speed of 20.2 m/s (72.7 km/h) in a distance of 142 m. Compute the acceleration of the car.
The velocity of a 621-kg auto is changed from 10.0 m/s to 44.0 m/s in 70.2 s by an external, constant force. What is the resulting change in momentum of the car
A soap film formed in a loop of wire is, because of its weight, not exactly uniform in thickness, but wedge-shaped in cross section. By how much does the film differ in thickness over the distance
IP Halley's Comet Halley's Comet, which passes around the Sun every 78 years, has an elliptical orbit. When closest to the Sun (perihelion) it is at a distance of 8.823 x 10^10 m and moves with a speed of 54.6 km/s. The greatest distance between Hall..
A rifle is aimed horizontally at a target 1,699.92 m away. The bullet hits the target 2.18 inch below the aim point. determine the bullets time of flight
A driver runs horizontally off the end of a driving tower 3.0 meter above the surface of the water with an initial speed of 2.6 m/s. Compute how many revolutions has she made when she hits the water
A microwave oven operates at 2.7 GHz. Evaluate what is the distance between wave crests in the oven
A mass of 34.3 kg is attached to a light string which is wrapped around a cylindrical spool of radius 10 cm and moment of inertia 4.0 kg/m^2. The spool is suspended from the ceiling and the mall is then released from rest distance 3.5m above the floo..
A block of mass m = 2.8 kg is dropped from height h = 94 cm onto a spring of spring constant k = 1590 N/m (Fig. 8-38). Discover the maximum distance the spring is compressed.
Suppose you hear a clap of thunder 15.80 s after seeing the associated lightning stroke. The speed of sound waves in air is 343-m/s, and the speed of light in air is 3.00x 10^8 m/s.
An RC series circuit has R = 1.35 kOhm, L = 225 mH, and C = 2.50 microFarads and is connected across a 200 V (rms), find the impedance of the RC combination
In a photoelectric effect experiment, a metal sample is illuminated by 10.0 mW of ultraviolet light of wavelength 240 nm. What is the longest wavelength of light that can knock electrons out of this metal
John shoves a 0.50-kg block from the bottom of a frictionless 30.0° inclined plane. He performs 4.0 J of work and the block slides a distance s along the incline before it stops. Determine the value of s.
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