Physics, 11.07.2019 09:00, maxi12312345

What does it mean to say mass and weight are preportional to each other?

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Physics, 23.06.2019 02:30, brodycruce

Afaulty model rocket moves in the xy-plane (the positive y direction is vertically upward). the rocket's acceleration has components ax(t) = ? t2 and ay(t) = ? ? ? t, where ? = 2.50 m/s4 , ? = 9.00 m/s2 , and ? = 1.40 m/s3 . at t = 0 the rocket is at the origin and has velocity ~v0 = v0x ? i + v0y ? j with v0x = 1.00 m/s and v0y = 7.00 m/s. (a) calculate the velocity and position vectors as functions of time. (b) what is the maximum height reached by the rocket? (c) sketch the path of the rocket. (d) what is the horizontal displacement of the rocket when it returns to y = 0?

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Physics, 23.06.2019 09:30, TheRunningPotatoe245

What would occur if the index of refraction of a material was less than n=1? the speed of light would increase to a speed larger than the maximum speed of light in a vacuum. the light wave would not bend at all though the material. the light wave would not be able to refract and would instead reflect off of the material. the speed of light would reduce to values close to 0 m/s.

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Physics, 23.06.2019 13:10, Imamdiallo18

How does changing the strength of the fork vibration affect the characteristics of the longitudinal wave? how does changing the frequency of the fork vibration affect the characteristics of the longitudinal wave?

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Physics, 23.06.2019 16:30, byron17

Aperson driving a car applies the brakes. this produces friction, which stops the car. into which type of energy is the mechanical energy of the car converted? a. gravitational b. chemical c. light d. heat