Physics, 30.03.2021 02:30 barstr9146
Carlos uses a rope to pull his car 30 m to a parking lot because it ran out of gas. If Carlos exerts 2,000 N of force to pull the rope, and the rope is at an angle of 15° to the road, how much work did he do? Round your answer to two significant figures.
1.6 × 104 J
3.5 × 104 J
5.8 × 104 J
9.0 × 104 J
Answers: 3
Physics, 21.06.2019 17:00
Which of the following is considered to be a vector? a. temperature b. velocity c. time d. mass
Answers: 1
Physics, 21.06.2019 17:30
What produces light and all other electromagnetic waves? a) the photoelectric phenomena b) heated metals c) charged particles d) radioactive samples (pls explain if you can : )
Answers: 1
Physics, 22.06.2019 03:30
Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.
Answers: 3
Physics, 22.06.2019 04:30
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
Answers: 3
Carlos uses a rope to pull his car 30 m to a parking lot because it ran out of gas. If Carlos exerts...
Social Studies, 28.06.2019 06:30
History, 28.06.2019 06:30
Arts, 28.06.2019 06:30
Social Studies, 28.06.2019 06:30
Mathematics, 28.06.2019 06:30
Physics, 28.06.2019 06:30
Mathematics, 28.06.2019 06:30
Biology, 28.06.2019 06:30