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A rubber ball of mass 24.5 g is droppedfrom a height of 2.05 m onto a floor. The velocity of the ball is reversed by the collision with the floor,and the ball rebounds to a height of 1.30m. What impulse was applied to the ball during the collision?
q1. a typical major league fastball is thrown at about 99 mph and with a spin rate of 103 rpm. if the distance between
The atmosphere on Mars is almost all carbon dioxide (CO2), and has a pressure of about 6.9×102 Pa, what is the mass of one cubic meter of the atmosphere
A compound microscope has a barrel whose length is 16.4 cm and an eyepiece whose focal length is 1.7 cm. What focal length must the objective have so the angular magnification of the microscope is -250
I want to put a coating on a glass surface to minimize the reflection of He-Ne laser light (632.8nm wavelength). What is the minimum coating thickness required
question 1 a cart of mass 3.2 kg is moving with a velocity of 15.2 ms. it makes a head-on perfectly inelastic collision
in an arcade gamea ball is launched from the corner of a smooth inclined plane.the inclined plane makes a 30 degree
In an X-ray scattering measurement the first order diffraction peak is observed at ? = 16.5°. What is the angle of the third order peak
A 100 percent efficient electric motor is lifting a 15N weight at 25cm/s. If the motor is connected to a 7V battery, how much current does it draw.
Consider the following pipe assembly containing a permeable filter of length L=20cm, area A=20cm^2, and permeability of 4 millidarcys. what is the velocity of the flow through the filter section
Three point charges of 2.0 ? C, 4.0 ? C, and 6.0 ? C form an equilateral triangle with each side 2.9cm Find the electric potential energy of this distribution
question pittsburgh pennsylvania and miami florida lie approx. on the same meridian. pittsburgh has a latitude of 40.5
A 75 kg unicycle and rider zoom along at 8 m/s. find the ratio of the rotational kinetic energy to the translational kinetic energy
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