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

Author Question: An automobile of mass 2 500 kg moving at 50.0 m/s is braked suddenly with a constant braking force ... (Read 63 times)

jenna1

  • Hero Member
  • *****
  • Posts: 568
on: Jul 28, 2018
An automobile of mass 2 500 kg moving at 50.0 m/s is braked suddenly with a constant braking force of 8 500 N. How far does the car travel before stopping?
 a. 7.35 m
  b. 368 m
  c. 184 m
  d. 551 m
  e. 19.2 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 0.45 kg and time of contact with the football is 0.035 s, what is the force exerted on the foot?
 a. 14 N
  b. 13 N
  c. 390 N
  d. 860 N
  e. 900 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AISCAMPING

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

c


jenna1

  • Member
  • Posts: 568
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

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?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

A typical fuel-pressure regulator that has a spring that exerts 46 pounds of force against the ... A typical fuel-pressure regulator that has a spring that exerts 46 pounds of force against the ...
Moving currents are affected by Earth’s rotation Moving currents are affected by Earth’s rotation
Mass Wasting Triggers Mass Wasting Triggers
Determined the magnitude of the magnetic force on the conductor. Determined the magnitude of the magnetic force on the conductor.
The mole fraction of oxygen in dry air near sea level is 0.20948, where the molar mass of ... The mole fraction of oxygen in dry air near sea level is 0.20948, where the molar mass of ...
Video: Introduction to Tuberculosis

For a complete list of videos, visit our video library