subject
Physics, 12.07.2019 04:10 inlace1161

Acar comes to a bridge during a storm and finds the bridge washed out. the driver must get to the other side, so he decides to try leaping it with his car. the side the car is on is 21.4 m above the river, while the opposite side is a mere 2.2 m above the river. the river itself is a raging torrent 69.0 m wide. how fast should the car be traveling just as it leaves the cliff in order just to clear the river and land safely on the opposite side? what is the speed of the car just before it lands safely on the other side?

ansver
Answers: 2

Another question on Physics

question
Physics, 21.06.2019 19:40
You carry a 7.0-kg bag of groceries 1.2 m above the ground at constant speed across a 2.7m room. how much work do you do on the bag in the process? (a) 157j (b) 0.00j (c) 185j (d) 82j
Answers: 2
question
Physics, 22.06.2019 00:00
Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
Answers: 2
question
Physics, 22.06.2019 10:00
(a) calculate the number of electrons in a small, electrically neutral silver pin that has a mass of 10.0 g. silver has 47 electrons per atom, and its molar mass is 107.87 g/mol. (b) imagine adding electrons to the pin until the negative charge has the very large value 1.00 mc. how many electrons are added for every 109 electrons already present
Answers: 3
question
Physics, 22.06.2019 13:30
Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length of a column of water 1.00 km high for a temperature increase of 1.00ΒΊc. note that this calculation is only approximate because ocean warming is not uniform with depth. (answer in Γ—10^{-3} βˆ’3 m)
Answers: 1
You know the right answer?
Acar comes to a bridge during a storm and finds the bridge washed out. the driver must get to the ot...
Questions
question
Computers and Technology, 29.06.2019 02:10
question
Mathematics, 29.06.2019 02:10
question
Geography, 29.06.2019 02:10
question
Biology, 29.06.2019 02:10
Questions on the website: 13722367