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

Author Question: At the instant a traffic light turns green, a car that has been waiting at the intersection starts ... (Read 30 times)

arivle123

  • Hero Member
  • *****
  • Posts: 569
on: Jul 29, 2018
At the instant a traffic light turns green, a car that has been waiting at the intersection starts ahead with a constant acceleration of 2.00 m/s2.
 
  At that moment a truck traveling with a constant velocity of 15.0 m/s overtakes and passes the car.
  (a.) Calculate the time necessary for the car to reach the truck.
  (b.) Calculate the distance beyond the traffic light that the car will pass the truck.
  (c.) Determine the speed of the car when it passes the truck.

Question 2

What is the occupancy probability at an energy of 12.00 eV for a material with EF = 11.63 eV at a temperature of 500 K?
 
  A)
 
  3 x 10-4  
  B)
 
  2 x 10-2  
  C)
 
  2
  D)
 
  6
  E)
 
  12


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Bigfoot1984

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a.) 15.0 s
(b.) 225 m
(c.) 30.0 m/s

Answer to Question 2

B


arivle123

  • Member
  • Posts: 569
Reply 2 on: Jul 29, 2018
Wow, this really help

31809pancho

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

« previous next »
 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Charophycean green algal relatives of the land plants. Charophycean green algal relatives of the land plants.
Light rays coming from an object to the retina. Light rays coming from an object to the retina.
Lipid composition in the outer leaflet (green) and inner leaflet (gold) of the plasma membrane Lipid composition in the outer leaflet (green) and inner leaflet (gold) of the plasma membrane
A bus starts from restat a station and accelerates at a rate of 2 m/s^2 for 15 seconds. It then runs A bus starts from restat a station and accelerates at a rate of 2 m/s^2 for 15 seconds. It then runs
The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ... The figure shows an LR circuit with a switch and a 240-volt battery. At the instant the switch ...
Light micrograph of cells in a strand of Chladophora Light micrograph of cells in a strand of Chladophora
Video: How to find out if a population is evolving?

For a complete list of videos, visit our video library