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On a touchdown attempt, a 95.0 kg running back runs toward the end zone at 3.75 m/s. A 111. kg linebacker moving at 4.10 m/s meets the runner in a head on collision. If the two players stick together,
a) What is their velocity immediately after the collision?
b) What are the initial and final kinetic energies of the system?
c) What caused the difference?
A woman and her dog are out for a morning run to the river, which is located 4 km away. The woman runs at 2.5 m/s in a straight line. What is the total distance run by the dog
A series RCL circuit includes a resistance of 254, an inductive reactance of 865, and a capacitive reactance of 427. What is the voltage of the generator
Atmospheric scientists studying clouds in the Marshall Islands have observed what they believe to be the world's largest raindrops, with a radius of 0.52 cm. How many molecules are in these monster drops
The driver of a 1250 kg car, initially traveling at 11.6 m/s, applies the brakes, bringing the car to rest in a distance of 23.0 m. Find the net work done on the car
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. find the number of radians from rest until the time the disk reaches the 5.5 rad/s angular speed
A high energy photon is scattered at an angle of ? =180.0° from an electron that is initially at rest. Find the energy of the incident X-ray photon
In reality, the COP of the heat pump will only be 60 percent of the ideal value. What is the minimum power of the electric motor when the COP is 60 percent of the ideal value
You are part of a search-and-rescue mission that has been called out to look for a lost explorer. What minimum speed must the rocket have
q1. a friend of yours is loudly singing a single note at 417 hz while racing toward you at 25.7 ms on a day when the
The barricade at the end of a subway line has a large spring designed to compress 2.00 m when stopping a 1.60 ? 105 kg train moving at 0.300 m/s. What speed would the train be going if it only compressed the spring 0.900 m
A point charge causes an electric flux of -760 N·m2/C to pass through a spherical Gaussian surface of 15.0 cm radius centered on the charge. how much flux would pass through the surface
A lamp that plugs into a 120V wall socket can use either a 60W or 100W bulb. Which bulb has the higher resistance
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