A girl with mass of 40 kg sits on a sled at rest with a man of 15 kg. What is the kinetic energy of the girl and sled together

Before proceeding into an intersection at a green signal, you should look out for: A. Vehicles following you preparing to turn B. Vehicles in the intersection waiting to turn right C. Vehicles in the intersection waiting to turn left

A sound wave has a frequency of 450,000 Hz. What is the wavelength?

How can you use climatograph in a sentence? How can you use ecozone in a sentence?

When you drive from the city to a distant farm, the temperature gets because of the?

Explain what surface tension is.

Hot air balloon rises because a) molecules become lighter when heated b) molecules move faster and farther apart when heated c) molecules are less attracted by gravity when heated d) molecules become charged and repel each other when heated

If the diameter of the space station is 730 m, how many revolutions per minute are needed for the "artificial gravity" acceleration to be 9.80m/s2?

A person who has dissociative identity disorder: O A. cannot remember who he or she is. O B. has panic attacks when confronted. C. has two or more distinct personalities OD hears voices

Which force most likely created this mountain? compression gravity sheaning tension

What is the opposition of sublimation?