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A 0.504 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger and comes to rest some distance above the plunger. The plastic tube has an inner radius of 7.07 mm, and is frictionless. Neither the plunger nor the metal cylinder allows any air to flow around them. If the plunger is abruptly pushed upwards, increasing the pressure among the plunger and the metal cylinder by a factor of 1.35, what is the initial acceleration of the metal cylinder? Suppose the pressure outside of the tube is 1.00 atm.
The minute hand of the Official Quiz Clock points to the 12 and is functioning normally until the quiz begins, How much quiz time do the students lose
A box slides down a 25° ramp with an acceleration of 1.070m/s2. Resolve the coefficient of kinetic friction between box and ramp.
a spring-loaded cannon aimed at 41 o above the horizontal is on the last car of a long train of flat cars. the train
A bicycle rides by in front of you moving right to left. What is the torque applied to the wheel
An automobile starter motor has an equivalent resistance of 0.0480 and is supplied by a 12.0 V battery with a 0.0080 internal resistance. What power is supplied to the motor
By means of a rope whose mass is negligible, two blocks are suspended over a pulley, find the mass of the pulley
A block with a mass of 1.45kg is pushed up an incline plane with a force in direction of the incline. How much work is necessary to push the block up the incline to a height of 2.08m
an electric dipole consists of charges 2e and -2e separated by 0.99 nm. it is in an electric field of strength 3.6 x
a projectile is launched vertically from the surface of the moon with an initial speed of 1100m/s. At what altitude is the projectile's speed one-half its initial value
A car of mass 1572 kg collides head-on with a parked truck of mass 2000 kg. what is the initial speed of the car
A block whose mass m is 680 kg is fastened to a spring whosespring constant k is 65 N/m. What is the amplitude of the oscillation
The magnitude of the electrostatic force between two identical ions that are separated by a distance of 5.0 10-10 m is 8.28 10-9 N. What is the charge of each ion
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