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

Author Question: If a car accelerates at 4.0 m/s2, how long will it take to reach a speed of 80 km/hr, starting from ... (Read 51 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
on: Jul 29, 2018
If a car accelerates at 4.0 m/s2, how long will it take to reach a speed of 80 km/hr, starting from rest?
 
  What will be an ideal response?

Question 2

An object is placed at a concave mirror's center of curvature. The image produced by the mirror is located
 
  A)
 
  out beyond the center of curvature.
  B)
 
  at the center of curvature.
  C)
 
  between the center of curvature and the focal point.
  D)
 
  at the focal point.
  E)
 
  between the focal point and the surface of the mirror.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jackie

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 29, 2018
Answer to Question 1

5.6 seconds

Answer to Question 2

B


sarasara

  • Member
  • Posts: 521
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

Chelseyj.hasty

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai In 2013, Americans learned that the federal government massively surveys their phone calls and e-mai
Varieties of Long-Term Memory Varieties of Long-Term Memory
An Enzyme in Action Enzymes speed up reactions in your body An Enzyme in Action Enzymes speed up reactions in your body
A tightrope walker walks across a 30-m long wire tied between two poles. The center of the wire ... A tightrope walker walks across a 30-m long wire tied between two poles. The center of the wire ...
A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose ... A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose ...
Video: Role of the urinary system - acidosis and alkalosis

For a complete list of videos, visit our video library