Physics, 04.02.2021 20:40 1963038660
100 points. I need the answers PLEASE! (this is part of my test, and I have no idea what I am doing.) Will mark brainiest if you answer, this is one of my few questions.
Bryan and Marc are two of my Ironman buddies and they have just had their fill at a local Subway and decide to do some Physics. Bryan has a mass of 85.0 kg with a pair of roller blades on. Marc pulls Ryan 5.00 m with a constant force and it takes him 7.66 s to accelerate Bryan from rest.
Calculate Average speed:
What was his initial speed (rest)? Vi
Calculate his final speed Vf. V=Vf+Vi
Calculate his acceleration.
Calculate the effective force Marc had on Bryan. F=ma
Answers: 3
Physics, 22.06.2019 06:30
=force × distance a. work b. velocity c. pressure d. momentum
Answers: 1
Physics, 22.06.2019 15:00
What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?
Answers: 1
Physics, 22.06.2019 19:30
Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical
Answers: 1
Physics, 23.06.2019 00:00
You are driving to the grocery store at 20 m/s. you are 110m from an intersection when the traffic light turns red. assume that your reaction time is 0.50s and that your car brakes with constant acceleration. how far are you from the intersection when you begin to apply the brakes? what acceleration will bring you to rest right at the intersection? how long does it take you to stop after the light changes? the known values: vi=20m/s xi=110m t=.50s vf=0m/s xf=0m a=?
Answers: 3
100 points. I need the answers PLEASE! (this is part of my test, and I have no idea what I am doing....
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