Physics, 25.06.2019 14:40 savage5447
An electric vehicle starts from rest and accelerates at a rate a1 in a straight line until it reaches a speed of v. the vehicle then slows at a constant rate a2 until it stops. (a) how much time elapses from start to stop? (b) how far does the vehicle move from start to stop? give your answers in terms of the given variables.
Answers: 1
Physics, 21.06.2019 20:20
Ateam of astronauts is on a mission to land on and explore a large asteroid. in addition to collecting samples and performing experiments, one of their tasks is to demonstrate the concept of the escape speed by throwing rocks straight up at various initial speeds. with what minimum initial speed vesc will the rocks need to be thrown in order for them never to "fall" back to the asteroid? assume that the asteroid is approximately spherical, with an average density p 3.84 x108 g/m3 and volume v 2.17 x 1012 m3 recall that the universal gravitational constant is g 6.67 x 10-11 n m2/kg2
Answers: 2
Physics, 22.06.2019 16:00
Apersons beliefs and general outlook, which act like filters on the information they receive are called ?
Answers: 1
Physics, 23.06.2019 02:00
How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?
Answers: 2
Physics, 23.06.2019 09:00
In this lab you will use a cart and track to explore various aspects of motion. you will measure and record the time it takes the cart to travel certain distances, and then complete some calculations. in the space below, write a scientific question that you will answer by doing this experiment.
Answers: 2
An electric vehicle starts from rest and accelerates at a rate a1 in a straight line until it reache...
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