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Kinetic Energy Physics Problem - A ball of mass 0.1 kg bounces on a hard surface. Every time it hits the floor, it loses a quarter of its kinetic energy. If the ball is released from a height of 1.00 m, after how many bounces will the ball bounce no higher than 0.25 m?
to ensure a tight fit cylindrical metal elements are sometimes made the same size or even slightly larger than the
The threshold of dark-adapted (scotopic) vision is 6.0 x 10-11W/m2 at a central wavelength of 500 nm. how many photons per second enter the eye
An object is located 13.5 cm in front of a convex mirror, the image being 7.45 cm behind the mirror. A second object, twice as tall as the first one, is placed in front of the mirror, but at a different location.
What are the magnitude and Angle relative to the horizontal of the velocity at which the ball is thrown
A person with a near-point distance of 32 cm is able to get a usable magnification of 12 with a particular magnifying glass. What is the friend's near-point distance
Consider a heat exchanger. Air is used to heat the liquid water. The entering air temperature is 350deg C and entering water temperature is 20degC. The water is heated to saturated vapor at 1.5MPa. The mass flow rate of air and water are 30kg/min ..
A charged particle enters a uniform magnetic field and follows the circular path shown in the drawing. Determine the mass of the particle
An iron tower in is 324 meters tall on a cold day (T = -6.9 degrees Celsius). What is the final height (total)of the tower on a hot day when the temperature is 33 degrees Celsius? Record your answer to two decimal places.
From the following counts below, which were taken on a major arterial during the evening peak period, determine: The peak flow rate within the peak hour
a. aingly-ionized lithium has a nucleus of charge 3e and two electrons. use the variational principle to estimate the
A total of eight tiny conducting spheres, each carrying a charge of-105 nC, are placed one each at thecorners of a cube 1.0 m on a side. What is the electric field at the center
Your team of test engineers is to release the parking brake so an 748.8-kg car will roll down a very long 6.2 percent grade in preparation for a crash test at the bottom of the incline. What is the terminal speed for the car rolling down this grade
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