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A billiard ball collides in an elastic head-on collision with a second identical ball. What is the kinetic energy of the system after the collision compared to that before collision?
A. The same as
B. One fourth
C. Twice
D. Four times
a particle moves along the path whose equation is r 6theta feet. if the angle theta 2t3 radians determine the
The resistivity of the body is a good measure of its overall composition. A measure of the resistance of the upper arm is a good way to estimate the percent fat in a person's body. What is the resistance of the arm
a glass rod that has been charged to 17.0nc touches a metal sphere. afterward the rods charge is 3.0nc . how many
q1. a 2700-kg satellite is in a circular orbit around a planet. the satellite travels with a constant speed of 6270 ms.
q1. a crate of 30.2- tools rests on a horizontal floor. you exert a regularly increasing horizontal push on it and
A steel ball bearing 8.0 mm in diameter is dropped into a cylinder of glycerin. What is the terminal velocity of the ball bearing
Train car 1 has a mass of 6.5 x 10^4 kg and is sitting stationary on a track. Train car 2, with a mass of 9.30 x 10^3 kg, What is the speed of Train car 1 after the collision
A Father pulls his sons across the son on a sled. The children and sled together weigh 550-N. The father pulls the sled with a force of 400-N at an angle of 40 degrees above the horizontal. Avoiding friction, determine out the acceleration of the ..
A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure. Calculate the change in internal energy of the gas
An object 2.6 cm high is placed 15 cm from the surface of a polished silver sphere of radius 11 cm. Find the location, size, and orientation of the image
Evaluate the magnitude and direction of the friction force (assumed constant) that acts on the bullet.
A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.00s. At the end of this time, the boatcontinues for an additional 6.00s with an acceleration of +0.518m/s2. Following this, the boat accelerates at -1.49m/s2 for 8.00s.
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