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The particles in the figure below (m1 = 1.8 kg and m2 = 3.5 kg) undergo an elastic collision in one dimension. Their velocities before the collision are v1i = 12 m/s and v2i = ?7.5 m/s. Find the velocities of the two particles after the collision. (Indicate the direction with the sign of your answer.) v1f = . m/s v2f = . m/s
An iron wire has a cross-sectional area equal to 1.45 10-5 m2. find the drift speed of conduction electrons in this wire
The length of a string is 322 cm. It is held fixed at each end. The string vibrates in seven sections; such as the string has seven antinodes, and the string vibrates at 160 Hz.
A proton travels with a speed of 3.00 106 m/s at an angle of 22.0° with the direction of a magnetic field of 0.730 T in the +y direction. What is the magnitude of the magnetic force on the proton
A cockroach of mass m lies on the rim of a uniform disk of mass 8 m that can rotate freely about its center like a merry-go-round. determine the angular velocity of the cockroach-disk system
Assume that wind, which forced a fluids motion along a north to south path suddenly ceases at latitude 45oN and the only acceleration to continue is due to the Coriolis force. find the time it takes to complete one full circle
q1. if a parallel mirror he-ne laser had a homogeneous line shape with v1.5ghz and small signal peak coefficient of
In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles, What is the magnitude of Betty's force
Determines increases or decreases in a series of financial statement data and indicates the level of full and transparent information provided to users of the financial statements.
A chipmunk scampers about collecting in its cheeks safflower seeds that the birds dropped from the feeder hanging overhead. Initially the little creature is at position vector r1x = 2.45 m and r1y = -2.13 m. After filling up, it runs to the hole a..
Wildlife biologists fire 19g rubber bullets to stop a rhinoceros, charging at 0.83 m/s. The bullets strike the rhino and drop vertically to the ground. What impulse does each bullet deliver
A rocket moves upward from rest with an acceleration of 29.4 m/s2 for 4 seconds. It then runs out of fuel and continues to move upward. Neglecting any air resistance, how high will it rise?
q1. a customer sits in an amusement park ride in which the compartment is to be pulled downward in the negative
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