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Q1. An electric field of 8.60 x 107 V/m is desired between two parallel plates, each of area 35.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate?
Q2. Assume 4.00 mol of an ideal gas undergoes a reversible isothermal expansion from volume V1 to volume V2 = 4V1 at temperature T = 250 K. Find (a) work done by the gas and (b) he entropy change of the gas. (c) If expansion is reversible and adiabatic instead of isothermal, what is the entropy change of the gas?
What is a density of the block
A weather vane at first at rest has a moment of inertia of 0.111 kg • m2 about its axis of rotation. A 53.0 g piece of clay is thrown at the vane and sticks to it at a point 19.5 cm from the axis. The initial velocity of the clay is 20.0 m/s, directe..
What is the magnetic field strength
What is the minimum coefficient of friction that will prevent sliding. What should be the highest speed of the car so it can round the curve safely.
What is the smallest distance required to stop the plane
Illustrate energy bar graphs to solve the problem . What is amplitude of the oscillations.
How much work did the movers do (horizontally) pushing a 190-{rm kg} crate 11.2 m across a rough floor without acceleration, if effective coefficient of friction was 0.60.
A pilot flies an airplane at a constant speed of 520 km/hr in the vertical circle of radius 1400 m. compute the force exerted by the seat on the 105-kg pilot at point A and at point B.
Find out vertical and horizontal components
What is Lagrangian for the system
On an airplane's takeoff, the combined action of the air around the engines and wings of an airplane exerts an 8020-N force on the plane, focussed upward at the angle of 55.0° above the horizontal. The plane rises with constant velocity in the vertic..
What is magnitude of the current
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