Hilda pushes her sofa across the room with a force of 40 n. it accelerates at 2 m/s/s. what is the mass of the sofa?
2 kg
20 kg
40 kg
80 kg
keiko is riding a skateboard 2 m/s, west. how long will it take her to reach a velocity of 8 m/s, west if her acceleration is 2 m/s2?
3 seconds
6 seconds
8 seconds
10 seconds
Answers: 2
Physics, 21.06.2019 21:40
Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.
Answers: 1
Physics, 22.06.2019 02:00
The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e
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While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from a sodium street lamp, radio waves from an am radio station, radio waves from an fm radio station, and microwaves from an antenna of a communications system. rank these type of waves in terms of increasing photon energy.
Answers: 3
Physics, 22.06.2019 15:30
What are the north and south poles of a solenoid change with?
Answers: 1
Hilda pushes her sofa across the room with a force of 40 n. it accelerates at 2 m/s/s. what is the m...
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