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A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a section of a sphere. When he looks into one side of the hubcap, he sees an image of his face10.4 cm in back of it. He then turns the hubcap over, keeping it the same distance from his face. He now sees an image of his face 29.4 cm in back of the hubcap.
(a) How far is his face from the hubcap?
cm
(b) What is the magnitude of the radius of curvature of the hubcap?
You throw a ball vertically upward from the edge of the roof of the Bisdorf building with a speed 15.0 m/s. Find a) the position and velocity of the ball 1.00 s after leaving your hand.
A Carnot engine operates between temperatures of 747 and 324 K. Calculate what the efficiency would be if (a) the temperature of the hot reservoir were raised by 42.5 K or (b) if the temperature of the cold reservoir were lowered by 42.5 K. (Give ..
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 10 s, it rotates 2 revolutions. What was the angular acceleration during this time
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An airplane is flying horizontally with a speed of 1000 km/h(280m/s) when an engine falls off. avoid air resistance,assume it takes 30s for the engine to hit the ground.
An airplane is flying in a horizontal circle at the speed of 542 km/h. If the wings of the plane are tilted 33.0° to the horizontal, what is the radius of the circle in that the plane is flying? Suppose that the required force is provided entirely by..
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The range of human hearing is roughly from twenty hertz to twenty kilohertz. what are the lengths of the longest and shortest pipes
Jim's dog Sparky runs 45.0 northeast to a tree, then 75.0 west to a second tree, and finally 15.0 south to a third tree. Calculate the direction of Sparky's net displacement
A certain airplane has a speed of 250.0 km/h and is diving at an angle of 30.0° below the horizontal when the pilot releases a radar decoy. How high was the plane when the decoy was released
After a 0.805 nm x-ray photon scatters from a free electron, the electron recoils with a speed equal to 1.32E+6 m/s. find the Compton shift in the photon's wavelength
A capacitor with air between its plates is charged to 70 V and then disconnected from the battery. What is the dielectric constant of this glass
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