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A 12000N car travels at a speed of40 km/h northward along a street, and an 8500 N sports car travels at a speed of 62 km/h eastward along an intersecting street.
a. If neither driver brakes and the cars collide at the intersection and lock bumpers, find what will the magnitude of the velocity of the cars be immediately after the collision?
b. Find the direction of the velocity of the cars be immediately after the collision?
c. Find percentage of the initial kinetic energy will be lost in the collision?
Lake Erie contains roughly 4.00 X 1011 m3 of water. Find how much energy is required to raise the temperature of that volume of water from 11.0°C to 12.0°C
An LC circuit has zero resistance, no battery, a capacitor C=66microFarads, and an inductor L=0.7H connected in a simple loop. The capacitor and inductor store a compined total energy of U=24microJoules. What is the maximum magnetic field inside th..
A 0.20 kg block on a vertical spring with a spring constant of 5 multiplied by 103 N/m is pushed downward, compressing the spring 0.090 m. When free, the block leaves the spring and travels upward vertically. How high does it rise above point of r..
A hollow, thin-walled sphere of mass 12.0kg and diameter 47.0cm is rotating about an axle through its center. At the time 4.00s , find the angular momentum of the sphere
determine the force in members cd and gf of the truss and state if the members are in tension or compression. also
a charge q 4.11x10-9 c is placed at the origin and a second charge equal to -2q is placed at x1.00 m. find the
An astronaut who is repairing the outside of her spaceship accidentally pushes away a 96.7-cm-long steel rod, What is the magnitude of the EMF, in millivolts, induced between the ends of the rod
A hockey puck is hit on a frozen lake and starts moving with a speed of 12.1 m/s. Five seconds later, its speed is 5.50 m/s. How far does the puck travel during the 5.00 s interval
Somewhere between the Earth and the moon, gravity from these two bodies on the space pod would cancel. Is this location nearer the Earth, the moon, or in the middle (having the same distance between) of the earth and the moon.
Electrons with a speed of 1.3×10^6 m/s pass through a double-slit apparatus. Interference fringes are detected with a fringe spacing of 2.8mm. What will the fringe spacing be if the electrons are replaced by neutrons with the same speed in μm? What s..
An object of mass .10kg makes an elastic head on collision with a stationary object with a mass of .15 kg. What is the initial velocity of the .10kg object
what is the volume of an iron atom. What is the ratio of the mass density of girder A to the mass density of girder B.
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