Physics, 20.03.2020 08:36, darceline1574
2. A student fires a 0.07 kg arrow at an object with mass m that is initially at rest on a frictionless surface. The speed of the arrow before the collision is 90 m/s. The speed when the arrow emerges from the object is v. What is the resulting velocity of the object?
Answers: 2
Physics, 22.06.2019 08:20, jrjordans13ox06qs
At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?
Answers: 1
Physics, 22.06.2019 18:30, TheSpeedster
Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?
Answers: 1
2. A student fires a 0.07 kg arrow at an object with mass m that is initially at rest on a frictionl...
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