Physics, 24.10.2019 18:43 carlydays4403
Arocket rises vertically, from rest, with an acceleration of 3.2m/s^2 until it runs out of fuel at an altitude of 775m. after this point, its acceleration is that of gravity, downward.(a) whatis the velocity of the rocket when itruns out of fuel? (b) how long does it take to reach thispoint? (c) what maximum altitude does the rocket reach? (d) how much time (total) does it take to reachmaximum altitude? (e) with what velocity does it strikethe earth? (f) how long (total) is it in the air? '
Answers: 1
Physics, 22.06.2019 08:30, khambay
Researchers determine that the biodiversity in a woodland region is declining. they identify two major threats to the region's biodiversity, a method to address each threat, and the expected outcome of each method. this information is shown in the table. a) reforestation would not benefit many species because most forest species live on the ground. b) reforestation would take the longest time to be effective because trees take several years to grow. c) biological augmentation would benefit only a few species because is is typically not very effective. d) biological augmentation would take less time to ve effective because it targets the majority of prey species.
Answers: 3
Physics, 22.06.2019 19:00, sanchez626
Friction removes energy from objects in motion. which statement best describes how this works? a) friction transforms ke into thermal energy b) friction transfers thermal energy to ke c) friction transforms te into pe d) friction transforms pe into ke e) friction transfers ke into pe
Answers: 1
Physics, 22.06.2019 23:30, selena827
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?
Answers: 2
Arocket rises vertically, from rest, with an acceleration of 3.2m/s^2 until it runs out of fuel at a...
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