« previous next »

Author Question: When a ball falls downward, it may have a net force A) equal to its weight. B) of zero. C) ... (Read 41 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
on: Jul 29, 2018
When a ball falls downward, it may have a net force
 
  A) equal to its weight.
  B) of zero.
  C) equal to its weight minus air drag.
  D) any of the above
  E) none of the above

Question 2

When a tennis racquet hits a ball,
 
  A) the racquet loses as much speed as the ball gains.
  B) the ball is set in motion with the same speed of the racquet upon contact.
  C) the ball hits the racquet.
  D) all of the above


Cnarkel

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae Demonstration of equal segregation within one meiocyte in the yeast S. cerevisiae
To increase pressure using body weight, lean on your client. To increase pressure using body weight, lean on your client.
Metric System: Measure of Weight and Volume Metric System: Measure of Weight and Volume
Drug A is more potent than Drugs B and C. Drugs A and C have equal efficacy because both drugs have ... Drug A is more potent than Drugs B and C. Drugs A and C have equal efficacy because both drugs have ...
Healthy Eating Behaviors and Weight Gain Are Important Considerations during the Third Trimester Healthy Eating Behaviors and Weight Gain Are Important Considerations during the Third Trimester
A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal ... A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 below the horizontal ...
Video: Lipid digestion - mouth, stomach and small intestine

For a complete list of videos, visit our video library