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Q1. How much work is done by the gas in the balloon all through this isothermal expansion? Overlook tension forces in the balloon.
Q2. A train is travelling up a 3.73o incline at a speed of 3.25m/s, while the last car breaks free and begins to coast without friction. (1) How long does it take for the last car to come to rest momentarily? (2) How far did the last car travel before (momentarily) coming to rest? (3) For a real train the friction between the car and the track can be described by a friction coefficient, μ. Find out this coefficient assuming that the time it takes for the car to come to rest is 3 s.
You are driving to the grocery store at 20. You are 100 from an intersection when the traffic light turns red. Suppose that your reaction time is 0.70 and that your car brakes with constant acceleration. What acceleration would bring you to rest r..
An observer on the ground watches the boy throw the can and catch it. In this observer's ground frame of reference, explain the shape of can's path and determine the initial velocity of the can.
A 3.40 g coin is positioned 16.0 cm from the center of a turntable. The coin has static and kinetic coefficients of friction with the turntable surface of mu_s = 0.720 and mu_k = 0.480. What is maximum angular velocity with which the turntable can sp..
Will the car hit the barricade
What is the magnitude of the vertical component of its velocity as it strikes the ground.
What are magnitude and direction of the force
Two boxes, m1 = 1.0 kg with a coefficient of kinetic friction of 0.10, and m2 = 2.0kg with a coefficient of 0.20, are placed on a plane inclined at 0 = 30o.
A 1.0mL syringe has an inner diameter of 6.0mm , a needle inner diameter of 0.29 mm , and a plunger pad diameter (where you place your finger) of 1.2 cm . A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100mmHg...
What was an initial speed of the ball
The yellow light from a helium discharge tube has a wavelength of 587.50. When this light illuminates a certain diffraction grating it produces a first-order principal maximum at an angle of 1.050.
What is an index of refraction of the liquid
Calculate the shear stress of the crude oil at the walls, and plotting the velocity distribution graph for the same.
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