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A 2250 kg car traveling at 10 m/s collides with a 2750 kg car that is initially at rest at a stop light. The cars stick together and move 2.5 meters before coming to a stop. What is the coefficient of friction between the cars and the road?
A particle with positive charge q = 1.28 x 10^(-18) C moves with a velocity = (3i + 2j - k ) m/s through a region where both a uniform magnetic field, Calculate the total force on the moving particle
A daring ranch hand sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. What must be the horizontal distance between the saddle and limb when the ranch hand makes his move
Using the graph shown, Draw the velocity vs. time graph given the position vs. time graph of a pendulum.
q1. a 1190-n uniform beam is attached to the vertical wall at one end and is supported by a cable at the other end. a
A 1.02 Volt potential difference is maintained across a 2 meter length of tungsten wire that has a cross-sectional area of 0.61 mm2 and the resistivity of the tungsten is 5.6 x 10-8 W.m. Estimate what is the current in the wire
Describe its motion. (Will it slide forever at a constant velocity? Will it slide to a stop? Illustrate in what way will its energy changes be similar to that of a pendulum?)
a series rc circuit with 50 and 6.2 has a 24 source in it. with the capacitor initially uncharged an open switch in
The terminal voltage of a certain battery is measured with the battery disconnected and is found to be 6.30 V. Find the voltage across the battery terminals
A spacecraft flies away from the earth with a speed of4.00×106 m/s relative to the earth and then returns at the same speed. What is the difference in the elapsed timeson the two clocks
Two ice skaters not paying attention collide in a completely inelastic collision. Prior to the collision, first skater, with a mass of 60 kilogram, has a velocity of 5.0 km/h eastward, Obtain the velocity of the skaters after collision
question dan is gliding on his skateboard at 3.0 ms. he suddenly jumps backward off the skateboard kicking the
A piece of iron is heated to 900?C. What is the median wavelength of its blackbody radiation
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