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An object falls from a height h from rest. If ittravels a fraction of the total height of 0.6798 in the last 1.00s, find the time of its fall.Find the height of its fall.
Starting from rest, a 4.4-kg block slides 2.70 m down a rough 30.0° incline. The coefficient of kinetic friction between the block, Determine the work done by the force of gravity
A particle starts at rest at point p and moves to point q with uniform acceleration, Find the distance between p and q. Also find the acceleration of the particle
The left end of a long glass rod 8.00 cm in diameter, with an index of refraction of 1.60, Find position in air of image if the left end of the rod were polished to a plane surface
A man's gold wedding ring has an inner diameter of 2.2cm at 30?C. what will be the change in the inner diameter of the ring
Raindrops fall 1500 m from a cloud to the ground. If they were not slowed by air resistance, how fast would the drops be moving
A roller coaster car rolls down a frictionless track, reaching a speed V0(Velocity original) at the bottom. by what factor must you increase the height of the track
A guitar string is under a tension of T = 198N. The string has a mass of m = 99g and length L. What is the length of the string in m
Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV. What is the spontaneous emission wavelength
When both cars increase their speed by 7.0m/s , they then have the same kinetic energy. What were the original speeds of the two cars
A caterpillar climbs up a one-meter wall. For every 3 cm it climbs up, it slides down 1 cm. It takes 10 minutes for the caterpillar to climb to the top. Compute the speed at which the caterpillar travels.
A 800kg car pushes a 1900kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push against the ground with a force of 5000N . Rolling friction can be neglected.
A vibrating string with a uniform linear mass density exhibits a single-loop standing wave pattern with a frequency of 600 Hz. determine the ratio of the new tension to the old
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