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Two cars with different masses are taking a left turn in a flat road. Which of those cars will experience a bigger (a) centripetal force? (b) centripetal acceleration?
a 1000 kg elevator is being lifted vertically upward by a strong cable.a what does the elevator weigh?b if the cable
1 why does the stroboscope appear to make the vibrations stop at certain frequencies? why does it appear to be two
Heat flows into an ideal gas at a constant volume. The pressure increases from 1.5 atm to 5.5 atm. What is the total change in internal energy
A rectangular block of wood floats in a calm lake. Show that, if friction is ignored, when the block is pushed gently down into the water and then released
a hollow conducting sphere with an outer radius of 0.245 m and an inner radius of 0.200 m has a uniform surface charge
collectible coins are sometimes plated with gold to enhance their beauty and value. consider a commemorative
A 15.9g bullet traveling horizontally at 871m/spasses through a tank containing 14.5kg of water and emerges with a speed of 537m/s
q. a ballistic pendulum consists of a chunk of clay suspended from a rope. while a bullet is fired into clay it sticks
In an experiment in space, one proton is held fixed and another proton is released from rest a distance of 2.00mm away. What is the initial acceleration of the proton after it is released
An object weighs 3300 N. What is the object's mass? An object weighs 3000 lb. What is the object's weight in N? An object weighs 2700 N. What is the object's weight in lb? The mass of a certain elephant is 4,067 kg. (a) Find the elephant's weight in ..
A player bounces a 0.45 kg soccer ball off her head, changing the velocity of the ball from vector v i = (8.6 m/s)x + (-2.1 m/s)y to vector v f =(5.8 m/s)x + (3.4 m/s)y hat. What is the magnitude of the impulse delivered to the ball
A helium-neon laser (? = 632.8 nm) is used to calibrate a diffraction grating. what is the spacing between adjacent grooves in the grating
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