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

Author Question: An automobile of mass 2000 kg moving at 20 m/s is braked suddenly with a constant braking force of ... (Read 92 times)

Starlight

  • Hero Member
  • *****
  • Posts: 567
on: Jul 28, 2018
An automobile of mass 2000 kg moving at 20 m/s is braked suddenly with a constant braking force of 10,000 N. How far does the car travel before stopping?
 a. 40 m
  c. 120 m
  b. 80 m
  d. 160 m

Question 2

A barefoot field-goal kicker imparts a speed of 30 m/s to a football at rest. If the football has a mass of 0.50 kg and time of contact with the football is 0.020 s, what is the force exerted on the foot?
 a. 190 N
  c. 600 N
  b. 380 N
  d. 750 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

D


Starlight

  • Hero Member
  • *****
  • Posts: 567
Reply #2 on: Jul 28, 2018
Thank you!


sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

In American Progress (1872), John Gast depicts a feminized (and eroticized) America moving westward, In American Progress (1872), John Gast depicts a feminized (and eroticized) America moving westward,
Proportion of Women and Men in the U.S. Labor Force Proportion of Women and Men in the U.S. Labor Force
Statistics Canada, Labour Force Survey Statistics Canada, Labour Force Survey
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ... A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
Write equilibrium constant expressions for the following reactions in terms of concentration: Write equilibrium constant expressions for the following reactions in terms of concentration:
Mass spectrometry for identifying an unknown protein isolated from a 2D gel Mass spectrometry for identifying an unknown protein isolated from a 2D gel
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library