Physics, 17.02.2020 20:22, crystalhoff6176

Students were discussing a problem in which the class was asked to find the acceleration of a cart rolling up and down an incline at the instant the cart was at the very top of its path. Malia says, At the top the velocity has to be zero so the acceleration has to be zero too. Sasha disagrees saying, No, the velocity is changing at the top so the acceleration cant be zero. Who do you agree with? Discuss the reason for your answer and explain why the one who is wrong might legitimately be confused about which answer is correct.

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 19:00, michael2737

Aman tries to push a box of mass 4 kg with a force of 5 n but the box remains stationary if the coefficient of static friction is 0.45, what is the value of the maximum force of friction?

Answers: 2

continue

Physics, 22.06.2019 01:30, bvolleyball9

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33

Answers: 2

continue

Physics, 22.06.2019 05:30, dxpebetty64

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

Answers: 2

continue

Physics, 22.06.2019 11:40, Destine1965

Consider the following position function. find (a) the velocity and the speed of the object and (b) the acceleration of the object. bold r left parenthesis t right parenthesisr(t)equals=left angle 6 t superscript 4 baseline comma 2 t cubed right angle6t4,2t3 for tgreater than or equals≥0

Answers: 3

continue

Do you know the correct answer?

Students were discussing a problem in which the class was asked to find the acceleration of a cart r...