« previous next »

Author Question: Let's say that during a thunderstorm you measure the time lag between the flash and the thunderclap ... (Read 4 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?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

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?

There are 20 feet of blood vessels in each square inch of human skin.

Much time and effort occurs between the development of a research idea and the statistical analysis Much time and effort occurs between the development of a research idea and the statistical analysis
This mini clamp-on DMM is being used to measure the amount of battery electrical drain that is ... This mini clamp-on DMM is being used to measure the amount of battery electrical drain that is ...
Use two hands to squeeze both sides of the arm at the same time. Apply from shoulder to wrist. ... Use two hands to squeeze both sides of the arm at the same time. Apply from shoulder to wrist. ...
Determ ine the measure of angle x Determ ine the measure of angle x
Physics: Power, Energy and Time Physics: Power, Energy and Time
The Geologic Time Scale The Geologic Time Scale
Video: Tuberculosis Testing

For a complete list of videos, visit our video library