A weather balloon travels upward for 6 km whi le the wind blows it 10 km north and 8 km east. Approximately what is its final displacement from its initial position?

Does the mass of a supermassive black hole correlate with any other part of a galaxy?

Which way does thermal energy move when a cool breeze moves over a warm lake?

Which factors affect the strength of a magnetic field around a current caring wire

When an object has a negative charge, which of these describes the electric field surrounding the object? A. It's neutral. B. It gets stronger away from the object. C. It becomes positive away from the object. D.

Air from the outside is: a. warmed, dried and cleaned by the nose and mouth b. cooled, dried and cleaned by the nose and mouth c. cooled, moistened and cleaned by the nose and mouth d. warmed, moistened and cleaned by the nose and mouth

Which of the following statements does not describe the structure of an atom? a. An atom has a small, dense center called the nucleus. b. Inside the nucleus of an atom are protons and electrons. c. Protons are positively charged sub-atomic particles.

A. Which skill related fitness component is your strongest and weakest?

A 100 N box is placed on an inclined plane that makes a 30° angle with the horizontal. Calculate the component of gravitational force that acts down the inclined plane. A. 25 N B. 50 N C. 87 N D. 100 N

Approximately how many kelvins are equal to 60 c? a. 289k b. 323k c. 333k d. 413k

What are two ways to change velocity?