Physics, 11.09.2021 23:40 amandamelton1
2. A type of firework consists of a cardboard tank mounted on plastic wheels and
driven forward by a small rocket. Once the rocket ignites, the tank rolls from rest to
a maximum velocity of 0.85 m/s forward, at which point the rocket burns out. If the
total time that the rocket remains ignited is 3.7 s, what is the average acceleration
of the tank2
Answers: 2
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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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Aman is trying to drag a small tree that he cut down. if the static coefficient of friction of the tree on the ground is 0.5 and the tree weighs 670 n, what is the minimum amount of horizontal force that the man will need to apply so that the tree will start moving? o a. 465 n o b. 230 n o c. 670 n o d. 335 n
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Which of the following best describes the shape of earth's orbit? a.ellipticalb.circularc.spirald.figure eight
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2. A type of firework consists of a cardboard tank mounted on plastic wheels and
driven forward by...
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