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A battery-powered train travels in a complete circle of radius 1.82 m. The coefficient of friction between the train and the track is 0.12, and the train's weight is
How much work does the train do against friction with the track?
What famous equation describes the relationship between mass and energy - Distinguish between the terms solar energy and solar power.
An electron that has an energy of approximately 2.0e+01 eV moves between rigid walls 1.8 nm apart. Find the precise energy of the electron
A plane accelerates down a runway. Markers beside the runway are 9.5 m apart. The plane moves between two adjacent markers in 0.182 s. Estimate the instantaneous speed of the plane
Determine how much charge passedA heart defibrillator passes 11.8 Amp through a patient's torso for 5 milliseconds in an attempt to restore normal beating. Determine how much charge passed
A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at its center. Rotating flywheels provide a means for storing energy in the form of rotational kinetic energy and are being considered as a possible alternativ..
The coefficient of static friction between the sled and the ground is s = 0.587, the coefficient of kinetic friction is k = 0.405, and the combined mass of the sled and its load is m = 321 kg. obtain the minimum rope tension required to get the sle..
The magnitude of each of the charges in the figure below is 8.65 10-12 C. The lengths of the sides of the rectangles are 3.12 cm and 5.40 cm. Find the magnitude of the electric field at the center of the rectangle in the figures below
A police officer in hot pursuit drives her car through a circular turn of radius 320 meter with a constant speed of 74.5 km/h. Determine what is the angle (relative to vertical) of the net force
The greatest height reported for a jump into an airbag is 99.4 m by stuntman Dan Koko. In 1948 he jumped from rest from the top of the Vegas World Hotel and Casino. He struck the airbag at a speed of 39 m/s (88 mi/h).
An object 1.0 cm high is placed on the optical axis of a 10 cm focal length lens, 18 cm from the lens. Find the location, size, and orientation of the image
An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. calculate the moon\'s radial acceleration.
You exert a force of known magnitude F on a grocery cart of total mass m. The force you exert on the cart points at an angle below the horizontal. If the car starts at rest, determine the expression for the speed of the cart after it travels a dis..
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