stgsry3395 stgsry3395

10-01-2020
Physics

contestada

Of roller coaster car rapidly picks up speed as it rose down a slope as it starts down the slope, its speed is 4m/s . But 3 seconds later at the bar got bottom of the slope, is speed is 22m/s. What is its average acceleration?

Respuesta :

nata7804 nata7804

10-01-2020

6 m/s ^2

Explanation:

Acceleration: the rate of change of velocity per unit of time.

a = (v − u) /t

a = (22 m/s − 4 m/s )/3s = 6 m/s ^2

Answer Link

Otras preguntas

Rachel recorded the number of calls she made at work during the week: Day Calls Monday 18 Tuesday 14 Wednesday 24 Thursday 16 She expected to make 18 calls each

help me get these 10 questions u will have 100 points EZ

Al is driving to the plant right now is the tense correct in the example.

Class A has 30 pupils and class B has 26 pupils. Both classes sit the same maths test. The mean score for class A is 70. The mean score for both classes is 76.

What is the relationship between the lines determined by the following two equations? 15x−3y=−12 y = 5x + 7 They are the same line. neither parallel nor perpend

When drawing conclusions from the data in a scientific claim, you need to evaluate the person making the claim. The person making the claim should be A. trained

Match each problem with the effect that is most closely related to it lack of diversity isolation selfishness poor communication leads to misunderstandings gets

how the author's choices regarding structure create tension and/or add to the meaning in the story hamadi. (If you need the story its right here in the pdf.)

How does this excerpt develop the central idea that Elizabeth Van Lew helped expand the role of women in society? Choose two answers. It states how Van Lew acte

What is the percent by mass of water in copper (II) sulfate pentahydrate (CuSO4 · 5H4O)? Type in your answer using one decimal place.