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Problem: A cargo plane unloads crates of supplies at the site of humanitarian disaster. The crates slide down a 48 foot long ramp that starts at the cargo plane door 17 feet above the ground. If the ramp has a coefficient of kinetic friction of 0.12,
Part A: How long does it take each create to slide down the ramp?
I need help to find how long does it take each create to slide down the ramp.
A ball is thrown upward from the top of a building at an angle of 60.0° to the horizontal, What is the horizontal distance (in m) covered by ball before hitting the ground
A square loop with resistance 15 ohms is located perpendicular to a time -varying magnetic field; the loop is 8.2 centimeter on a side. Determine the current circulating in the loop
A 80 bike racer climbs a 1500 -long section of road that has a slope of 4.3 degrees. By how much does his gravitational potential energy change during this climb
q1. two speakers 6.00 m apart are driven by the same audio oscillator so that each one produces a sound consisting of
an emf is induced in a conducting loop of wire 1.00 m long as its shape is changed from square to circular. find the
Light of wavelength 800nm is incident on a metallic surface. if the stopping potential for the photo-electrons ejected from the metal is 0.35 volts, find the work function for the metal and the longest wavelength incident light that will eject photo-..
Suppose an ideal battery does 80 Joule of work in moving 7 C of charge between its terminals. Determine what the emf of this battery
Two cars are moving. The first car has twice the mass of the second car however only half as much kinetic energy. When both cars increase their speed by 5.0 m/s, they have the similar kinetic energy. Compute the original speeds of the two cars.
One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 1.61 km. What is the direction of the couples displacement
A 37-kg girl is bouncing on a trampoline. All through a certain interval after she leaves the surface of the trampoline, her kinetic energy decreases to 215 J from 430 J. How high does she rise during this interval? Avoid air resistance.
Ther normal hydrogen atom consists of a proton nucleus and an orbital electron. What is the orbital speed of the orbiting electron
two appliances are connected in parallel to a 120-v battery and draw currents i1 5.0 a and i2 3.9 a. if these
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