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A bimetallic strip is made out of two strips of metal bonded together. each strip is 20.0 cm long and 1.00mm thick. 1 strip has a coefficient of thermal expansion of 4.00xEE-6/K. The other has a coefficient of thermal expansion of 3.00EE-6/K. at 20 degrees C the strip is straight. What is the inner radius of curvature of the strip at 200 degrees C
A solid uniform 38.9kg ball of diameter 36.2cm is supported against a vertical frictionless wall using a thin 30.0cm wire of negligible mass. how hard does the ball push against the wall
The figure below shows a wire ring of radius a = 2.0 cm that is perpendicular to the general direction of a radially symmetric, diverging magnetic field. The magnetic field at the ring is everywhere of the same magnitude B = 3.4 mT, and its direct..
q1. the potential difference between the plates of a capacitor is 70 v. midway between the plates a proton and an
A Boeing 777-200 airliner with a wingspan of 64.0 m is flying perpendicular to the Earth's magnetic field at its cruising speed of 250 m/s. What potential difference is induced between the plane's wingtips
A container X has 2 moles of gas with a pressure of 120 KPa at a constant temperature of 300K. 1) Find the volume of the gas in the container X. 2) If the temperature is now increased to 450K, what is the new pressure of the gas in the container X.
A worker stands still on a roof sloped at an angle of 23° above the horizontal. He is prevented from slipping by a static frictional force of 540 N. Find out the mass of the worker.
A goldfish is swimming inside a spherical bowl of water having an index of refraction n = 1.333. find the apparent distance of the goldfish from the wall according to an observer outside the bowl
A projectile is lauched at some speed at an angle of 58 degrees and travels a range of 211 meters. find the maximum vertical displacement for the second angle
A white billiard ball with mass mw = 1.57 kg is moving directly to the right with a speed of v = 3.43 m/s and collides elastically with a black billiard ball with the same mass mb = 1.57 kg that is initially at rest. What is the final speed of the..
A 3.4cm diameter parallel-plate capacitor has a 2.5mm spacing. The electric field strength inside the capacitor is 1.5×10^5 V/m, how much is the charge on each plate
In a rectangular coordinate system a positive point charge q = 6.00 * 10^-9 C is placed at the point x = +0.150m , y = 0, Find the magnitude of the electric field at the origin
Find the center of mass of a system composed of three spherical objects with masses of 3.4kg , 2.3kg , and 4.2kg and centers located at (-6.2m , 0), (2.0m , 0), and (2.8m , 0), respectively.
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