Physics, 20.09.2020 17:01 hannah5143
For the effective radiation of heat from an electric heater. Why should we polish it to shine but not keep it clean or paint it green or black?
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Physics, 21.06.2019 21:50
Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?
Answers: 2
Physics, 22.06.2019 04:50
The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.
Answers: 2
Physics, 22.06.2019 17:30
Convection currents are caused by differences in what two things?
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Physics, 22.06.2019 21:00
Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion
Answers: 3
For the effective radiation of heat from an electric heater. Why should we polish it to shine but no...
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