Author Question: A vehicle undergoes acceleration when it A) gains speed. B) loses speed. C) changes its ... (Read 70 times)

melina_rosy

  • Hero Member
  • *****
  • Posts: 531
A vehicle undergoes acceleration when it
 
  A) gains speed.
  B) loses speed.
  C) changes its direction.
  D) all of the above

Question 2

A ball rolls along a horizontal track in a certain time. If the track has a dip in it, the time to roll the length of the track will be
 
  A) less.
  B) the same.
  C) more.



leahm14

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

For a complete list of videos, visit our video library