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An automobile has a mass of 1710 kg and a velocity of 23.2 m/s. It makes a rear-end collision with a stationary car whose mass is 2470 kg. The cars lock bumpers and skid off together with the wheels locked.
(a) What is the velocity of the two cars just after the collision?
(b)Find the impulse that acts on the skidding cars from just after the collision until they come to a halt.
(c) If the coefficient of kinetic friction between the wheels of the cars and the pavement is %u03BCk = 0.732, determine how far the cars skid before coming to rest.
On a humid day, an electric field of 2.00 * 10^4 N/C is enough to produce sparks about an inch long. Suppose that in your physics class, use Coulomb's law to calculate the electric field at the surface of the sphere
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Two identical speakers are driven by the same oscillator @ 200Hz. They are located on a vertical pole & 4.00 m apart. A man walks straight towards the lower speaker perpendicular to the pole.
How much time take for the package to reach the ground.
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The naturally occurring charge on the ground on a fine day out in the open country is -1.00 nC/m2. Calculate the electric potential at this height
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Two blocks (M1 = 2.75 kg and M2 = 6.49 kg) are in contact on a frictionless, horizontal tabletop. What is the contact force between the blocks
Consider three resistors with unequal resistances connected in series to a battery. Which of the following statements are true? 1. The current flowing through each of the resistors is the same and is equal to the current supplied by the battery.
Illustrate what is the basis for the industry's legal duty to the surrounding community? In other words, illustrate what is the legal source of the industry's legal duty?
A vector A has a magnitude of 52.6 m and points in a direction 19.4° below the positive x axis. calculate the magnitude of the vector C
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