While watching a star, you see it moves 15 degrees across the sky. How long hav

Author Question: While watching a star, you see it moves 15 degrees across the sky. How long hav (Read 1111 times)

Melanie

Full Member
Posts: 204

on: Aug 28, 2013

While watching a star, you see it moves 15 degrees across the sky. How long have you been watching it?
A) 1 hour
B) 3 hours
C) 15 minutes
D) 15 seconds
E) 1 minute

penza

Hero Member
Posts: 1,022

Reply #1 on: Aug 28, 2013

Oh! I know the answer is A.

Need homework help now?

Ask unlimited questions for free

Ask a Question

« previous next »

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

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