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A car (1396 kg) collides with a truck (2175 kg) head on at the intersection of 114th and University Avenue, an intersection that is proof that civil engineers need more training. The wreckage sticks together. The car is initially travelling at 23.1 m/s and the truck is travelling at 17.0 m/s. How much kinetic energy is lost in the collision? Express your answer as a positive number of Joules.
A constant 3.80 Amp current moves along a straight wire that is perpendicular to a 2.00 T magnetic field. evaluate how much magnetic force will it experience
You are asked to make some measurements of microwaves using a "polarizing grid" consisting of metal wires.Since an electric field does not penetrate a conductor, linearly polarized microwave radiation will pass through the grid most easily when (m..
A hypodermic syringe is attached to a needle that has an internal radius of 0.301 mm and a length of 3.05 cm. What must the pressure of the fluid in the syringe be in order to inject the solution at a rate of 0.253 mL/s
A softball of mass 0.200kg that is moving with a speed of 7.0m/s collides head-on and elastically with another ball initially at rest, Calculate the mass of the target ball
An unknown substance has a mass of 0.125 kilogram and an initial temperature of 87.4°C. compute the specific heat of the unknown substance
A wooden shelter has walls constructed of wooden planks 1.00 cm thick. find the rate of energy loss through a wall that has dimensions 1.85 m by 2.10 m
How deep does a point in the middle of the floor
A harp string plays the A above middle C, vibrating at itsfundamental frequency of 440 Hz. What is the distance between the nodes of the standing wave pattern
A skater spins with her arms extended at a speed of 11 m/s. If she then whips her arms in to her body to form a circle with a radius of 0.4 m, what was the radius of the circle
Find the velocity of the red ball after the collision, and find the angle Φ. Is the collision elastic or inelastic? -you must show a calculation to get marks for this question.
A 220 block on a 52 long string swings in a circle on a horizontal, frictionless table at 95.What is the speed of the block? What is the speed of the block.
A thin soap film (n = 1.302) suspended in air has a uniform thickness. When white light strikes the film at normal incidence, violet light (&lambdav = 412 nm) is constructively reflected. At what angle of incidence will green light (&lambdag = 562..
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