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When the temperature of a coin is raised by 75 C°, the coin's diameter increases by2.00 10-5 m. If the original diameter is 1.810-2 m, find the coefficient of linear expansion.
(C°)-1
Two blocks are connected by a lightweight, flexible cord that passes over a single frictionless pulley. If m1 >> m2, find the acceleration of each block
A spaceship moves radially away from Earth with acceleration32 m/s2. How long does it takefor the sodium streetlamps (λ congruent 589 nm) on Earth to be invisible (with a powerfultelescope) to the human eye of the astronauts? The range of visiblewave..
a 150g bullet is fired from a rifle with a barrel of length 65cm the bullet starts from rest at one end of the barrel, find the speed of the bullet as it leaves the rifle
A ball is dropped from the top of a building. In the absence of air resistance, the ball will hit the ground with a speed of 49 m/s. The height of the building is
A car with mass of 1000.0 kg accelerates from 0 m/s to 40.0 m/s in 10.0 s. Ignore air resistance. estimate the average mechanical power output of the engine
At amusement parks, there is a popular ride where the floor of a rotating cylindrical room falls away, leaving the backs of the riders "plastered" against the wall. Suppose the radius of the room is 4.00 m and the speed of the wall is 10.4 m/s whe..
Starting from rest, a 4.30-kg block slides 2.00 m down a rough 30.0° incline. Determine the work done by the force of gravity
A horizontal pipe shown in the figure has a cross-sectional area A1 = 37.5cm2 at the wider portions and A2 = 9.40cm2 at the constriction. Find the flow speed at the wide portion
A 2.30-? F capacitor is fully charged by being connected to a 6.0-V battery. The fully charged capacitor is then connected to a 0.250-H inductor.
a dog walking quickly away from a motion detector. Draw a velocity graph that could represent this motion
A solid sphere of weight 8.00 lb rolls up an incline with aninclination angle of 30.0 degrees. How far does the sphere travel up the incline
A uniform rod is attached to a wall by a hinge at its base. Determine the horizontal and vertical components of the force exerted on the rod by the hinge
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