Physics, 18.01.2020 11:31 keishlav5183

Aroller coaster is traveling at 13 m/s when it approaches a hill that is 400 m long. heading down the hill, it accelerates at 4.0 m/s2. what is the final velocity of the roller coaster? round your answer to the nearest whole number.

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 22:30, djs1671

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations. in what way do laboratory experiments primarily differ from other forms of scientific investigations? a. a laboratory experiment is the only accepted form of investigation within the scientific community. b. studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments. c. laboratory experiments involve the identification and control of variables. d. data can only be generated through laboratory experiments, not other forms of investigation.

Answers: 3

continue

Physics, 22.06.2019 02:00, browneyedbaby20

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Answers: 3

continue

Physics, 22.06.2019 23:00, Neko1kat

Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings

Answers: 1

continue

Physics, 23.06.2019 00:20, evan1v1123

You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. you will have no access to any electricity, but you must be able to illuminate the entire grounds. you know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. suppose the intensity is 90 when the distance is 5 m. a. write an equation to model the situation. b. solve for the constant of variation. c. write the equation to model the situation using the constant () of variation. d. you have been given lanterns with 40 light intensity. use your equation to solve for the distance from the lantern. e. you need to illuminate 225 km. how many meters do you need to light? f. how many lanterns will you need?

Answers: 3

continue

You know the right answer?

Aroller coaster is traveling at 13 m/s when it approaches a hill that is 400 m long. heading down th...