This topic contains a solution. Click here to go to the answer

Author Question: An object is dropped from a height. Once it is moving, which of the following statements is true, at ... (Read 69 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
An object is dropped from a height. Once it is moving, which of the following statements is true, at least at one point?
 a. Its velocity is more than its acceleration.
  b. Its velocity is less than its acceleration.
  c. Its velocity is the same as its acceleration.
  d. Its velocity is never equal to its acceleration.

Question 2

A 50-g ball traveling at 25.0 m/s is bounced off a brick wall and rebounds at 20.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.50 ms, what is the magnitude of the average acceleration of the ball during this time interval?
 a. 714 m/s2
  c. 6430 m/s2
  b. 1430 m/s2
  d. 12,900 m/s2



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aloop

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

D

Answer to Question 2

D




JGIBBSON

  • Member
  • Posts: 538
Reply 2 on: Jul 28, 2018
Wow, this really help


Alyson.hiatt@yahoo.com

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

For a complete list of videos, visit our video library