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Two strings, each 18.0m long, are stretched side by side. one string has a mass of 87.0g and a tension of 220.0N. The second string has a mass of 68.0g and tension of 18.0N. A pulse is generated at one end of each string simultaneously. In which string will the pulse move faster? How much additional time will the slower pulse require reaching the end of its string?
A simple pendulum consists of a ball of mass 5.00 kg hanging from a uniform string of mass 0.0510 kg and length L, determine the speed of a transverse wave in the string when the pendulum hangs vertically
question1a concave mirror is made by coating the inner surface of a segment of a spherical shell with a reflecting
A charge of -3.0 nC is at the origin and a second charge of 13.0 nC is at x = 8.00 m. Find the magnitude and direction of the electric field halfway in between the two charges.
a snowboarder has a mass of 70 kg and is being carried by a lift. The lift has a constant inclination of 30o, what power must the motor produce to achieve the task
The click beetle accelerates at 400 g over a distance of 0.60 cm as it bends its thorax to click. Assuming the beetle jumps straight up what speed doesit leave the ground? How much time is required to reach this speed?
The loaded cab of an elevator has a mass of 3.0 x 103 kg and moves 176 m upthe shaft in 23 s at constant speed. At what average rate does theforce from the cable do work on the cab
A high-speed photograph of a club hitting a golf ball, find the average force exerted on the ball by the club
An apparatus, shown in the the figure below, is designed to study insects at an acceleration of magnitude 958 m/s (= 97.8g). How fast does an insect move when it experiences a radial acceleration of 958 m/s2
A car is safely negotiating an unbanked circular turn at a speed of 29 m/s. The road is dry, and the maximum static frictional force acts on the tires, what speed must the driver slow the car
A dollar bill is about 15.5 cm long. If ten trillion dollar bills were laid end to end around the Earth's equator, how many times would they encircle the planet
A 200g, 40cm diameter solid cylindrical turntable rotates on frictionless bearings at 60rpm. A 20g block sits at the center of the turntable. What is the turntables angular speed
When one person shouts at a football game, the sound intensity level at the center of the field is 62.4 dB. When all the people shout together, how many people are at the game
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