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A ball of mass 0.120 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to reach a height of 0.600 m. What impulse was given to the ball by the floor?
kg·m/s
Three charges, each of magnitude 9 nC, are at separate corners of a square of edge length 4 cm. The two charges at opposite corners are positive, and the other charge is negative.
The partial pressure of CO2, in the expired air is 25 mm Hg and in the alveolar air it is 39 mm Hg. For an expired volume of 550ml, calculate the dead space volume
The Earth orbits about the sun once every 365 days. The distance between the earth and the sun is 1.5x10^11 m. What is the average orbital velocity of the earth
A destroyer sends a sonar pulse out to detect a submarine directly below the ship in the ocean. If the speed of sound in what is 1517 m/s and it takes 64.13 s for the return pulse to hit the hydrophone on the bottom of the ship, how deep is the su..
A counter with negligible background gives exactly 10,000 counts in a 1-s period when a standard source is in place. What is the counter dead time
A drill starts from rest. After 3.66s of constant angular acceleration, the drill turns at a rate of 2694 rad/a, find the angle through which the drill rotates
A small glass bead has been charged to + 30{rm nC} . a)What is the magnitude of the acceleration of a proton that is 3.0{rm cm} from the center of the bead? b)What is the magnitude of the acceleration of an electron that is 3.0{rm cm} from the cen..
In our electrostatics lab, we charge a metal sphere to 1000 V. What is the electric potential due to the charged sphere at a point 1.00 cm from its surface
The objects are then released from rest. Assuming that the particles never reach the pulley, and also that the particles do not rebound when they strike the ground.
35 kg girl is bouncing on a trampoline. Throughout a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 170 J from 470 J. How high does she rise during this interval? Avoid air resistance.
An airplane of wing span 40.0 m flying horizontally at a speed of 774 km/h due north in a region where the vertical component of the earth's magnetic field is 4.75 *10^-5 T. Find the emf induced across its wing
What is the speed of bulky cart after the collision
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