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 17 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
Gracias!

nyrave

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Changes in the free energy (DG) of exergonic and endergonic reactions Changes in the free energy (DG) of exergonic and endergonic reactions
Nuclear energy Nuclear energy
Climate models the flow of mass and energy Climate models the flow of mass and energy
Expressing amounts of energy in different energy units is necessary to solve many chemistry ... Expressing amounts of energy in different energy units is necessary to solve many chemistry ...
Energy flow in the light-dependent reactions of photosynthesis Energy flow in the light-dependent reactions of photosynthesis
ATP, an important energy currency in cells ATP, an important energy currency in cells
Video: Insulin (glucose uptake by body cells), glycogenesis and lipogenesis

For a complete list of videos, visit our video library