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A ball hangs motionless from a ceiling by a string.
How many forces are acting on the ball? What are they?
A 92 kg man standing on a surface of negligible friction shoves a 73 g stone lying at his feet, giving it a velocity of 4.0 m/s. What velocity does the man acquire as a result.
The given information is that a basketball is shot from an initial height of 2.40 m with an initial speed 14m/s directed at an angle 37 degrees above the horizontal
A ray of light strikes a plane mirror perpendicular to the mirror. What is the angle of reflection
A 7.10-kg box is sliding across the horizontal floor of an elevator. Determine the kinetic frictional force that acts on the box
A tee consisting of two thin rods each having a mass of M and with lengths L1 and L2, Find the rotational velocity of the tee-clay ball combination just after the collision
A step-down transformer is used for recharging the batteries of portable devices. The turns ratio N2/N1 for a particular transformer used in a CD player is 9:42. find the rms output voltage of the transformer
An ideal gas initially at pressure 8.0 atm and temperature 300K expands adiabatically until its volume doubles. Find the final pressure and temperature if the gas is (a) monatomic, and (b) diatomic
questiona the proton-proton chain efficiently converts hydrogen into helium according to 4h rarr4 he. a helium 4
We have a container of a hot ideal monatomic gas. The volume of the container is 25 liters. The temperature of the gas is 398 C, Find the change of internal energy of the gas
Young's double-slit experiment is performed with 570 nm light and a distance of 2.00 m between the slits and the screen. The tenth interference minimum is observed 7.64 mm from the central maximum. Settle on the spacing of the slits.
A ball of mass 20 kg moves with a velocity of 2 m/s along the +x axis (call it ball A). It collides with a ball of mass 12 kg which is initially at rest (call it B), What is the final velocity of ball B
Three balls (m= 0.450 kg) are placed at evenly spaced intervals on a 0.75 m rod (m= .250 kg). Find the moment of inertia of the entire system
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