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A dentist's chair by a patient in it weighs 2240 N. The output plunger of a hydraulic system begins to lift the chair, when the dentist's foot applies a force of 35.2 N to the input piston. Neglect any height dissimilarity between the plunger and the piston. What is the ratio of the radius of the plunger to the radius of the piston?
A mass of 6 kg is moving at 31 m/s in the positive x direction. What is the magnitude of the velocity of the masses after the collision in m/s
charges of 4.0 micro coulomb and -6.0 micro coulomb are placed at two corners of an equilateral triangle with sides of
An alpha particle from a radioactive source is directed into a cloud chamber in a uniform magnetic field of 0.80T. find what are its momentum and energy
In a student experiment, a constant-volume gas thermometer is calibrated in liquid nitrogen (?196°C ) and in boiling pentane (36.1°C). The separate pressures are 0.349 atm and 1.442 atm. Hint: Use the linear relationship P = A + BT, where A and B ..
A 0.48-kg object connected to a light spring with a force constant of 23.6 N/m oscillates on a frictionless horizontal surface. The spring is compressed 4.0 cm and released from rest.
Liquid flows into a tank at 10 m^2/s and flows out of the tank at 3m^2/s. Find at what rate (m^3/s) does volume accumulate in the tank, calculate what is the volume of the tank
you are in a hot-air balloon that relative to the ground has a velocity of 6.28 ms in a direction due east. you see a
a 9.00 g bullet moving horizontally with an initial speed v embeds itself in a 1.20 kg pendulum bob that is initially
A coiled telephone cord forms a spiral with 56 turns, a diameter of 1.30 cm, and an unstretched length of 60.0 cm. Determine the self-inductance of one conductor in the unstretched cord.
A pendulum of length 1.5 m is held out to point A. At the vertical position, an overhang effectively cuts the length of the pendulum by an amount equal to 1.09 m. (That is, 1.0 m is no longer free to swing.) How long does this pendulum take for one o..
A m = 3 kg steel ball strikes a wall with a speed of v = 10 m/s at an angle of ?i = 60? with the surface. Determine the impulse given to the ball
A 60 g bullet traveling at 230 m/s penetrates a block of ice at 0°C and comes to rest within the ice. suppose that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision.
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