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

Author Question: The position, x, of an object is given by the equation x = A + Bt +Ct2, where t refers to time. What ... (Read 50 times)

Medesa

  • Hero Member
  • *****
  • Posts: 507
on: Jul 27, 2018
The position, x, of an object is given by the equation x = A + Bt +Ct2, where t refers to time. What are the dimensions of A, B, and C?
 
  A) distance, distance, distance
  B) time, time, time
  C) distance, time, time2
  D) distance, distance/time, distance/time2
  E) distance/time, distance/time2, distance/time3

Question 2

A car of mass M, traveling with a velocity V, strikes a parked station wagon, whose mass is 2M. The bumpers lock together in this head-on inelastic collision. What fraction of the initial kinetic energy is lost in this collision?
 
  A) 1/4
  B) 1/9
  C) 1/2
  D) 2/3
  E) 1/3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sierray

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


Medesa

  • Member
  • Posts: 507
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Patient Position for Posterior Percussion Patient Position for Posterior Percussion
Because the leg muscles of children with muscular dystrophy are weak, they must perform the Gowers’ Because the leg muscles of children with muscular dystrophy are weak, they must perform the Gowers’
If you want to show differences between items at the same time, a bar graph is more effective than a If you want to show differences between items at the same time, a bar graph is more effective than a
Graph showing oral administration of a single-dose drug. The time of onset is 2 hours and the end of ... Graph showing oral administration of a single-dose drug. The time of onset is 2 hours and the end of ...
Side-lying position. Placement of bolsters under the superior leg, arm, and head. Side-lying position. Placement of bolsters under the superior leg, arm, and head.
Physics: Power, Energy and Time Physics: Power, Energy and Time
Video: Introduction to Insulin

For a complete list of videos, visit our video library