How much greater is the light-collecting area of a 6-meter telescope than a 3-meter telescope? how much greater is the light-collecting area of a 6-meter telescope than a 3-meter telescope?

A capacitor is connected to a 9 V battery and acquires a charge Q. What is the charge on the capacitor if it is connected instead to an 18 V battery? A capacitor is connected to a 9 V battery and acquires a charge Q.

The vector quantity that defines the distance and direction between two positions.

Why do scientists assume that the early universe was much hotter and denser than the universe of today?

A particle with rest mass m moves with speed 0.6c. Its kinetic energy is A. 0.18mc2 B. 0.22mc? C. 0.25mc2 D. mc2

Which sentence uses the underlined pronoun correctly? A. Grandmother cooked all of our a special dinner last night. B. Grandmother cooked all of we a special dinner last night. C. Grandmother cooked all of us a special dinner last night.

4. Water is flowing at 12m/s in a horizontal pipe under a pressure of 600kpa radius 2cm. a. What is the speed of the water on the other side of 0.5cm radius? b. What is the pressure of the other side?

What caused the solar system to form a disk?

Under what circumstances can air resistance exercises ignored?

How does friction affect all moving objects?

A force of 5N compresses a spring by 4cm. Find the force constant of the spring.