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If the speed limit is 60 mph, was Car A speeding?
Road: new, wet asphalt
Car A (with a mass of 2500 kg) collides with Car B (with a mass of 1500 kg) on wet asphalt. Car A skidded 50 m before the collision. Car B, which was initially at rest, is bumped 20 m while Car A continues 10 m after the impact. Find the initial speed of Car to determine whether or not its driver was speeding.
A 0.047 kg aluminum bullet traveling at 487 m/s strikes an armor plate and comes to a stop. If all its energy is converted to heat that is absorbed by the bullet, what is the bullet's temperature change in degrees Celsius?
a charge of 3.0 mc and a second charge are initially far apart. if it takes 29j of work tobring them to a final
a point charge moving in a magnetic field of 1.24 tesla experiences a force of 0.813e-11 n. the velocity of the charge
a small segment of wire contains 10 nc of charge. the segment is shrunk to one-third of its original length. a proton
Two blocks of mass m1 = 8.0 kg and m3 = 6.5 kg, connected by a rod of mass m2 = 1.5 kg, are sitting on a very low-friction surface, find the acceleration of the system of blocks plus rod
A coil has an inductance of 2.00 mH, and the current in it changes from 0.200 A to 1.50 A in a time of 0.200 s. Discover the magnitude of the average induced emf in the coil through this time.
A 1.2 m long steel rod with a diameter of 0.50cm hangs vertically from the ceiling. An auto engine weighing 4.7kN is hung from the rod. By how much does the rod stretch
Angry Bird is launched horizontally with a slingshot with a speed of 1.87 m/s. If the initial height of the Angry Bird is 20.41 cm, how far away will the target need to be, in meters
In a series R-L-C circuit, the phase angle is 40.5?, with the source voltage leading the current, Find the reactance of the inductor
A parallel plate capacitor of capacitance C0 has plateof area A with separation d between them. When it isconnected to a battery of voltage V0 it has chargeof magnitude Q0 on its plates.
a circular-motion addict of mass 85 kg rides a ferris wheel around in a vertical circle of radius 10 m at a constant
A 3.00-m-long, 400 kg steel beam extends horizontally from the point where it has been bolted to framework of a new building under construction. A 74 kg construction worker stands at the far end of the beam.What is the magnitude of the torque abo..
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