Physics, 27.03.2020 02:25 ameliaduxha7
A spaceship approaches the earth with a speed 0.50c. A passenger in the spaceship measures his heartbeat as 9- beats per minute. What is his heartbeat rate according to an observer that is at rest relative to the earth? A) 69 beats per minute B) 73 beats per minute C) 65 beats per minute D) 61 beats per minute E) 80 beats per minute
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Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity
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What properties of a moving object are used in determining the object's energy of motion
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Physics, 23.06.2019 02:30
Ball bearings are made by letting spherical drops of molten metal fall inside a talll tower-called a shot tower- and solidify as they fall. a-if a bearing needs 4.0 s to solidify enough for impact, how high must the tower be? b- what is the bearing's impact velocity?
Answers: 3
A spaceship approaches the earth with a speed 0.50c. A passenger in the spaceship measures his heart...
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