Physics, 18.05.2021 19:50 oscaralan01
Although the distance between the Earth and Sun varies slightly throughout the path of Earth’s orbit, it has little impact on seasonal changes. What has the most impact on the seasonal changes?
A.
The length of the Sun’s orbit around the Earth has the most impact on the variations in the amount of daylight and temperature that produce seasonal changes.
B.
Earth’s axis tilt changes direction as it orbits the Sun which has the most impact on the variations in the amount of daylight and temperature that produce seasonal changes.
C.
The alignment of the Moon, Earth, and Sun has the most impact on the variations in the amount of daylight and temperature that produce seasonal changes.
D.
Earth’s axis tilt and the relation of the poles to the Sun has the most impact on the variations in the amount of daylight and temperature that produce seasonal changes.
Answers: 3
Physics, 21.06.2019 19:20
Aferris wheel is a vertical, circular amusement ride with radius 9 m. riders sit on seats that swivel to remain horizontal. the ferris wheel rotates at a constant rate, going around once in 9 s. consider a rider whose mass is 56 kg. at the bottom of the ride, what is the perpendicular component of the rate of change of the rider's momentum? at the bottom of the ride, what is the vector force exerted by the seat on the rider?
Answers: 1
Physics, 21.06.2019 19:30
Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .
Answers: 2
Physics, 22.06.2019 10:00
Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n
Answers: 1
Physics, 22.06.2019 13:40
Consider a double atwood machine constructed as follows: a mass 4m is suspended from a string that passes over a massless pulley on frictionless bearings. the other end of this string supports a second similar pulley, over which passes a second string supporting a mass of 3m at one end and m at the other. using two suitable generalized coordinates, set up the lagrangian and use the lagrange equations to find the acceleration of the mass 4m when the system is released. explain why the top pulley rotates even though it carries equal weights on each side.
Answers: 2
Although the distance between the Earth and Sun varies slightly throughout the path of Earth’s orbit...
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