Physics, 21.01.2022 17:20 ruffnekswife
A spacecraft begins at a distance of 8.42km above an asteroid's surface with an outward velocity of 5040. (the asteroid's gravity is negliable; onboar rockets provide all acceleration here. That gravity does define the "down" in this problem) * assuming constant acceleration, what acceleration is needed for the maximum height of the spacecraft 12.20km?
Answers: 3
Physics, 21.06.2019 15:10
What if? if the temperature near the cliff suddenly falls to 0Β°c, reducing the speed of sound to 331 m/s, what would the initial speed of the rock have to be (in m/s) for the soccer player to hear the sound of the splash 2.90 s after kicking the rock?
Answers: 3
Physics, 22.06.2019 17:00
Two manned satellites approaching one another at a relative speed of 0.550 m/s intend to dock. the first has a mass of 2.50 β 103 kg, and the second a mass of 7.50 β 103 kg. assume that the positive direction is directed from the second satellite towards the first satellite. (a) calculate the final velocity after docking, in the frame of reference in which the first satellite was originally at rest.(b) what is the loss of kinetic energy in this inelastic collision? (c) repeat both parts, in the frame of reference in which the second satellite was originally at rest. final velocity(d) loss of kinetic energy = ?
Answers: 2
A spacecraft begins at a distance of 8.42km above an asteroid's surface with an outward velocity of...
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