Physics, 21.10.2020 17:01 eylinglez3ovm16v
Newton’s first law of motion states that an object at rest stays at rest, and an object in motion stays in motion, unless acted on by an unbalanced force. Which statements describe Newton’s first law? Check all that apply. A. An object must be at rest before a force can move it. B. An overall net force must be applied to an object before it can move. C. Newton’s first law of motion is also known as the law of inertia. D. Inertia does not apply to Newton’s first law. E. Newton’s first law applies to an object whether it is moving or not.
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Physics, 22.06.2019 18:00
Astudent weighing 700 n climbs at constant speed to the top of an 8 m vertical rope in 10 s. the average power expended by the student to overcome gravity is most nearly
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Physics, 22.06.2019 21:50
As microwave light travels through a liquid, it moves at a speed of 2.2 x 108 m/s. if the frequency of this light wave is 1.1 x 108 hz, what is the wavelength of this microwave?
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Physics, 22.06.2019 22:30
The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaρv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and ρ is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and ρ = 1.2 kg/m3.
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Physics, 22.06.2019 23:00
Which wave is the result of amplification and produces a louder sound
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Newton’s first law of motion states that an object at rest stays at rest, and an object in motion st...
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