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The switch in given Figure has been in position A for a long time and is moved to position B at t = 0.
The switch suddenly returns to position A after 10 ms. Find vC(t) fort ≥ 0 and sketch its waveform.
The surface area of an airplane wing is 35m^2. The average velocity of the air flow above the wing is 230mph and that of the air flow below the wing is 190mph. What is the lift force on the wing?
In a certain binary-star system, each star has the same mass which is 2.0 times of that of the Sun, and they revolve about their center of mass. The distance between them is the 5.9 times the distance between Earth and the Sun. What is their period o..
Calculate the work done by 0.935 mol of an ideal gas when it expands isothermally from 225 bars to 1.71 bars at (a) 300 K and (b) 1000 K.
A puck of mass m = 1.30 kg slides in a circle of radius r = 23.0 cm on a frictionless table while attached to a hanging cylinder of mass M = 2.30 kg by a cord during a hole in the table. What speed keeps the cylinder at rest?
In a circus performance, a monkey is strapped to a sled andboth are given an initial speed of 3.0m/s up a 18.0° inclined track. How far up the incline do the monkey and sled move
Two objects of masses m and 3.00 m are moving towards each other along the x-axis with the same initial speed of v. The object with mass m is travelling to the left.
A crate is sliding down a ramp that is inclined at an angle 33.1 ° above the horizontal. Find the acceleration of the moving crate
Compute the linear momentum and angular momentum of a Frisbee of mass 0.159 kg if it has a linear speed of1.85 m/s and an angular velocity of46.0 rad/s. Treat the Frisbee as a uniformdisk of radius 12.5 cm.
A 10g bullet is fired horizontally into a 300g wooden block initially at rest on a horizontal surface and becomes embedded in it. The coefficient of friction between block and surface in 0.50. The combined system slides 4.0m before stopping. With ..
The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a horizontal, Determine the rotation rate, in revolutions per second, required to give the astronaut a centripetal acceleration of 19.4g
In serving, a tennis player accelerates at 56 kg tennis ball horizontally from rest to a speed of 30 m/s. Assuming that the acceleration is uniform when the racquet force is applied over a distance of .5 m, what is the magnitude of force exerted on ..
Jennifer, who has a mass of 50.0 kg, is riding at 35.0 m/s in her red sports car when she must suddenly slamon the brakes to avoid hitting a deer crossing the road. What average force would the windshield have exerted on her
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