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You are supposed to make a Rube Goldberg machine that releases a block on an inclined plane that has a length of 2.50m and is supposed to take 15.5 seconds to travel that distance. There is friction (us=uk=.4) and the mass of the block is 5kg, the mass of the pulley is 1 kg and it has a radius of 15cm. -Find the acceleration of the block as it slides down the plane. -what should the slope of the plane be so that the block travels the distance is the correct time?
A car travels at a constant speed around a circular track whose radius is 2.51 km. What is the magnitude of the centripetal acceleration of the car
A rubber ball of mass 27.5 g is dropped from a height of 1.85 m onto a floor. What impulse was applied to the ball during the collision
You are given a thin circular ring of radius a that has a charge uniformly distributed on it with a linear charge-density λ. Find the increase in the tension in the ring
A copper pipe with an outer radius of 0.016 m runs from an outdoor wall faucet into the interior of a house. The temperature of the faucet is 2.1°C, Find the inner radius of the pipe
Find the force P that must be applied to a piston of area 11.10 cm2 to produce sufficient fluid pressure to support a car weighing 10,251 N by means of a column of fluid of cross sectional area 260 cm2, How far must the smaller piston move in order..
describe how an electric current is generated and transported. assess the current state of our national grid in the
An object is located to the left of a convex lens whose focal length = +40cm. The magnification produced by the lens = 3.0 m. Calculate the distance through which the object must be moved
What is the work done by the electric field on a charge q as it moves through a potential difference of ?V? (Use any variable or symbol stated above as necessary.)
Block 1, of mass m1 = 0.700kg , is connected over an ideal (massless and frictionless) pulley to block 2, of mass m2, Find the mass of block 2
A 61 V. battery is connected across a 62600 ohm and a 31700 ohm resistor connected in series. What is the per cent error in the voltmeter reading
A penny has a mass of 2.5 and is 1.5 thick; a nickel has a mass of 5.7 and is 1.9 thick. how far above the tabletop is the center of gravity of the stack
At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.1 m/s2. How fast will the automobile be traveling at that instant
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