GenesisM GenesisM

28-02-2017
Physics

contestada

if there is no friction in a rollercoaster is the speed the same throughout?

Respuesta :

28-02-2017

If there is no friction, the roller coaster would keep moving forever but a constant velocity. The only way it would accelerate is if there was a force continually pushing on it.

Answer Link

Аноним Аноним

28-02-2017

no because different Surfaces have different friction and that causes a Speed difference on each surface

Answer Link

Otras preguntas

Throughout "A Jury of Her Peers" Mrs. Hale mentions that the Wright's home, "never seemed a very cheerful place." What evidence from the story lets the reader k

How did the economic success of the erie canal impact westward expansion?

Question 3.3. Marco is selling floral arrangements. Each arrangement uses 1 vase and 11 orchids. Each vase costs Marco $4.00. Let C be the total cost of the arr

Several studies showed that after eating a low-fat cereal for two meals a day, subjects had lost some weight. A cereal company financed this research. What is w

What is one reason Steinbeck uses parallelism in The Grapes of Wrath? A. To relax the reader with repetition B. To detract from disturbing images C. To soften

A report states that 32% of New Jersey residents think that a nice car costs too much money. Which element should probably be better defined to properly evaluat

Which sentence uses two prepositional phrases? a. The swarm of killer bees was reportedly migrating north. b. The helicopter landed among the cars in the parkin

Which of the following are strategies should you use when prereading a novel or story? Select all that apply. Read and annotate the first five pages. Look for c

Thaddeus already has $5 saved. He wants to save more to buy a book . Complete the table , and graph the ordered pairs on the coordinate graph

The second stage in the formation of the Psalter was the formation of _______ . A : a group of men to write more Psalms B : individual songs into special groups