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

Author Question: A car is driven 1200 m north at 20.0 m/s and then driven 1600 m east at 25.0 m/s. What are the ... (Read 230 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Jul 28, 2018
A car is driven 1200 m north at 20.0 m/s and then driven 1600 m east at 25.0 m/s. What are the magnitude and direction of the displacement for this trip?
 a. 1400 m, northeast
  b. 2000 m, 36.9 north of east
  c. 2000 m, 53.1 north of east
  d. 2800 m, 36.9 east of north
  e. 2800 m, 53.1 east of north

Question 2

The energy level diagram for hydrogen
 
  The energy of a photon emitted in a transition from the n = 3 state to the n = 2 state is
   
  a.
  1.5 eV.
   
  b.
  1.9 eV.
   
  c.
  3.4 eV.
   
  d.
  10.2 eV.
   
  e.
  13.6 eV.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jliusyl

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

b

Answer to Question 2

b


craiczarry

  • Member
  • Posts: 527
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it

jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« 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?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

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?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Oceanic circulation, which is driven mainly by the prevailing winds, moderates earth's climate. Oceanic circulation, which is driven mainly by the prevailing winds, moderates earth's climate.
Large-scale impacts of the (a) positive, and (b) negative phases of the North Atlantic Oscillation. Large-scale impacts of the (a) positive, and (b) negative phases of the North Atlantic Oscillation.
European Claims in North America after British Victory, 1763 European Claims in North America after British Victory, 1763
Chinese workers on a railway in the far West. “Without them,” Leland Stanford, president of the Cent Chinese workers on a railway in the far West. “Without them,” Leland Stanford, president of the Cent
This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S
Video: Embryonic development - Week 4

For a complete list of videos, visit our video library