This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An object is dropped from a height. Once it is moving, which of the following statements is true, at ... (Read 26 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

D


JGIBBSON

  • Member
  • Posts: 538
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

DylanD1323

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Thyroid conditions may make getting pregnant impossible.

True Forget-Me-Not True Forget-Me-Not
Visual Object Agnosia Without Prosopagnosia Visual Object Agnosia Without Prosopagnosia
Calculation of body mass index. To determine your BMI, find the value for your height on the left ... Calculation of body mass index. To determine your BMI, find the value for your height on the left ...
A 400-g piece of metal at 120°C is dropped into a cup containing 450 g of water A 400-g piece of metal at 120°C is dropped into a cup containing 450 g of water
A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above ... A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above ...
Frequency distribution of phenotypes from the possible offspring in Figure 5.7. Height of the offspr Frequency distribution of phenotypes from the possible offspring in Figure 5.7. Height of the offspr
Video: Metabolic Rate, Heat and Thermoregulation - response to heat and cold stresses

For a complete list of videos, visit our video library