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A 1500 kg car moving at 12.5 m/s collides head-on with a 4000 kg pickup truck moving at 8.50 m/s.
a) Determine the final velocity of the objects if they stick together after the collision.
b) Determine the amount of kinetic energy lost in the collision.
An antique brass bucket contains 0.290kg of water at 20 degrees C. In order to cool the water to 0.00 degrees C and freeze it, how much heat must be removed from the water
A 205 kg log is pulled up a ramp by means of a rope that isparallel to the surface of the ramp. The ramp is inclined at 30degrees with respect to the horizontal. The coefficient of kineticfriction between the log and the ramp is 0.900, and the log..
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
Jonathan is riding a bicycle and encounters a hill of height h. At the base of the hill, he is traveling at a speed vi. What is the change in potential energy stored in Jonathan's body
Concern has been expressed that warming of the atmosphere, resulting from industrial pollution, could cause the polar ice caps to melt.
A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.060 T. The plane of the loop is perpendicular to the direction
Heather and Jerry are standing on a bridge 51 above a river. Heather throws a rock straight down with a speed of 12. Jerry, at accurately the same instant of time, throws a rock straight up with the same speed. Ignore air resistance.
A roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at -7.0 meters per second per second to a full stop
If the second astronaut moves 5.0 m/s to the right after the collision, what was the second astronaut's initial velocity? Is this collision elastic?
Light of 546 nm wavelength is incident on a cesium surface that has a work function of 1.91 eV. find the threshold wavelength
q1. what is the smallest thickness of a soap film n1.47 that will appear black if illuminated with 490 nm light?
How many 112 W lightbulbs can you use in a 100 V circuit without tripping a 15 A circuit breaker? (The bulbs are connected in parallel, that means that the potential difference across each lightbulb is 100 V.)
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