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

Author Question: One car is traveling twice as fast as a second car. How much more work can the first car do. ... (Read 31 times)

Charlie

  • Hero Member
  • *****
  • Posts: 640
One car is traveling twice as fast as a second car. How much more work can the first car do. compared to the second car, in smashing into a brick wall?
 
  A) three times as much
  B) four times as much
  C) twice as much
  D) the same amount as the second car
  E) All of the above.

Question 2

A projectile is launched with an initial velocity of 80 m/s at 30 above the horizontal. Neglecting air, what is horizontal component of the projectile's acceleration?
 
  A) 80 m/s2
  B) 40 m/s2
  C) 9.8 m/s2
  D) 0 m/s2
  E) 69 m/s2



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mcarey591

  • Sr. Member
  • ****
  • Posts: 365
Answer to Question 1

B

Answer to Question 2

D




Charlie

  • Member
  • Posts: 640
Reply 2 on: Jul 29, 2018
Wow, this really help


rleezy04

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

For a complete list of videos, visit our video library