Which electromagnetic wave transfers the most
energy?
infrared
microwaves
ra...
Answers: 1
Physics, 22.06.2019 00:00
Name three different units of energy used to measure heat and describe what type of situations each is usually used.
Answers: 1
Physics, 22.06.2019 06:00
A1,700kg car is being used to give a 1,400kg car a push start by exerting a force of 140n the impulse on the smaller car during the 30.0s of contact is +670kg*m/s. what is the impulse of the smaller car on the larger car? -814 kg*m/s 0kg *m/s -670kg*m/s -550kg*m/s
Answers: 1
Physics, 22.06.2019 11:00
Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line
Answers: 2
Physics, 22.06.2019 12:20
Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.
Answers: 2
Physics, 04.04.2020 02:01
Mathematics, 04.04.2020 02:01
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Mathematics, 04.04.2020 02:01
Biology, 04.04.2020 02:01
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Mathematics, 04.04.2020 02:02
Mathematics, 04.04.2020 02:02