« previous next »

Author Question: Let's say that during a thunderstorm you measure the time lag between the flash and the thunderclap ... (Read 24 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
on: Jul 28, 2018
Let's say that during a thunderstorm you measure the time lag between the flash and the thunderclap to be 3 seconds. If the speed of sound is about 340 m/s, which of the following is the best estimate of your distance to the lightening bolt?
  1.about 3 km
  2.about 0.3 km
  3.about 1 km
  4.about 10 km

Question 2

A right triangle has sides 5 m, 12 m, and 13 m. What is the sine of the smallest angle of this triangle?
  1.12/5
  2.5/12
  3.5/13
  4.12/13


blakeserpa

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 28, 2018
Answer to Question 1

3

Answer to Question 2

3


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Time Slows Down Near Matter Time Slows Down Near Matter
Time Slows Down Near Matter Time Slows Down Near Matter
The Geologic Time Scale The Geologic Time Scale
Performing a Spirometry Test to Measure Forced Vital Capacity Performing a Spirometry Test to Measure Forced Vital Capacity
Graph showing oral administration of a single-dose drug. The time of onset is 2 hours and the end of ... Graph showing oral administration of a single-dose drug. The time of onset is 2 hours and the end of ...
Insomnia severity vs. time Insomnia severity vs. time
Video: Acid-base imbalances - metabolic acidosis and alkalosis

For a complete list of videos, visit our video library