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

Author Question: A car starts from rest and after 6.0 seconds it has a kinetic energy of 60,000 J. How much ... (Read 38 times)

jjjetplane

  • Hero Member
  • *****
  • Posts: 556
on: Jul 29, 2018
A car starts from rest and after 6.0 seconds it has a kinetic energy of 60,000 J. How much horsepower is needed for the car to acquire this kinetic energy?
 
  A) 6.0 hp
  B) 60 hp
  C) 0 hp
  D) 1.3 hp
  E) 13 hp

Question 2

What is the power needed to change the speed of a 1600-kg sport utility vehicle from 15.0 m/s to 40.0 m/s in 4.00 seconds?
 
  A) 100 kW
  B) 10.0 kW
  C) 140 kW
  D) 14.0 kW
  E) 275 kW


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Athena23

  • Sr. Member
  • ****
  • Posts: 305
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

E


jjjetplane

  • Member
  • Posts: 556
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

bbburns21

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Energy Coupling Energy Coupling
1-16 The Sun’s Daily Path and the Energy It Deposits Here 1-16 The Sun’s Daily Path and the Energy It Deposits Here
The major events associated with the three phases of energy metabolism: the cephalic, absorptive, ... The major events associated with the three phases of energy metabolism: the cephalic, absorptive, ...
Cradle the head briefly in both hands to end this section. Hold for a few seconds until you can feel ... Cradle the head briefly in both hands to end this section. Hold for a few seconds until you can feel ...
Global Energy Flow Global Energy Flow
Energy Transfer Energy Transfer
Video: Cellular defenses (natural killer cells, phagocyte types & process of phagocytosis)

For a complete list of videos, visit our video library