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A 1500-kg car moving east at 17 m/s collides with a 1800-kg car moving south at 15 m/s and the two cars stick together.
a) What is the velocity of the cars right after the collision?
b) How much kinetic energy was converted to another during the collision?
A body is moving with velocity of 8m/s. After 5 Seconds the velocity of the body becomes 18m/s. Find the acceleration of the body
A satellite with a mass of 310 kg moves in a circular orbit 3.00 multiply.gif 107 m above the Earth's surface. What is the gravitational force on the satellite
Lisa buys a car for $18,000 with no money down. She pays for the car in 30 equal monthly payments at 12% per annum, compounded monthly. What is her monthly payment, to the nearest dollar
An electron in the hydrogen atom makes a drop from n = 3 to m = 2. What wavelength of photon is emitted
A lamp which is 12.0 cm tall is 286.8 cm in front of a converging lens which has a focal length of 77.5 cm. What is the image distance for this lamp
Due to the nature of the wastewater, the engineer wants to target the high end of this range. Find the proper diameter pipe to the nearest 2” (e.g., 2”, 4”, 6”, 8”, 10”, etc.) to achieve this design objective.
A small pole (uniform, thin) that has mass 4.05 kg and can pivot about an axis perpendicular to the length of the pole and through its center. What must the length of the rod be
A drop of water on a countertop reflects light from a flower held 2.4 cm directly above it. The flower's diameter is 1.8 cm, What is the focal length of the water drop
The radius of our galaxy is 3 *10^20m, How much time would elapse on earth during the traversal
Two large identical flat metal plates are placed parallel to one another, seperated by a small distance compared to their linear size. One plate is given a charge per unit area 2.50E-5 C/m2 and the other a charge per unit area -2.50E-5 C/m2. Using..
A small button placed on a horizontal rotating platform with diameter 0.328 will revolve with the platform when it is brought up to a rotational speed of 45.0 rev/min , provided the button is a distance no more than 0.141m from the axis. a)What is..
A man holds a 190 N ball in his hand, with the forearm horizontal. Find magnitude and direction of the force applied by the upper arm bone to the forearm at the elbow joint
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