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Q1. Two cars with equal mass collide head on. One car is going 18 mph. That car is push backward about 38 feet. What is the speed of other vehicle?
Q2. A motorist is travelling at 18 m/s when he sees a deer in the road 38 m ahead. (a) If the maximum negative acceleration of the vehicle is -4.5 m⁄s^2, what is the maximum reaction time ?t of the motorist that will allow him to avoid hitting the deer? (b) If his reaction time is actually 0.300s, how fast will he be travelling when he hits the deer?
The brakes of a truck cause it to slow down by applying a retarding force of 4060 N to the truck over a distance of 1150 m
An inquisitive physics student and mountain climber climbs a 55 m cliff that overhangs a calm pool of water. She throws two stones vertically downward 0.8 s apart and observes that they cause a single splash.
A crate of eggs is located in the middle of the flat bed of a pickup truck as the truck negotiates a curve in the flat road, how fast can the truck be moving without the crate sliding
Two uniform infinite sheets of electric charge densities 17.0 C/m2 and %u201317.0 C/m2 intersect at a right angle. Find the magnitude of the electric field everywhere
A hydrogen atom is in the 5d state. What is the magnitude of its orbital angular momentum
Starting from rest, a disk rotates about its central axis with constant angular acceleration. In 10 s, it rotates 2 revolutions. What was the angular acceleration during this time
A negative charge orbits a positive charge. The orbit is a perfect circle, What is the period of the orbit of the negative charge
A horizontal force of 5.0 N accelerates a 4.0 kg mass, from rest, at a rate of .50 m/s squared in the positive direction. What friction force acts on the mass
A 120 granite cube slides down a 45 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 210 steel cube at rest.
what type of motion is occuring when the slope of a position vs time graph is zero, what type of motion is occuring when the slope of a position vs time graph is constant
How fast should the platform move, v_p, for the person to detect a beat frequency of 7.00 Hz ? Take the speed of sound to be 344 m/s. Express your answer numerically in meters per second.
An RC circuit with C = 44.8 µF and R = 5.8 has a 23 V source in it. With the capacitor initially uncharged, an open switch in the circuit is closed. What is the current in the resistor at that time
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