2) Why do satelites not

Fall while revolving

around the earth?

True or false: Even though ozone protects us when we are breathing it near the ground, it is harmful to us when it is high up in the atmosphere.

Consider a uniform solid sphere of radius R and mass M rolling without slipping. The moment of inertia of the sphere about an axis through its center is 25MR2. Which form of its kinetic energy is larger, translational or rotational? Consider

Some studies suggest that the upper frequency limit of hearing is determined by the diameter of the eardrum. the wavelength of the sound wave and the diameter of the eardrum are approximately equal at this upper limit.

The change in elevation from one contour line to the next is called the

What is a nuclear buldge astronomy

Following an inelastic collision, what can kinetic energy be converted into? Check all that apply. heat impulse momentum potential energy sound

Air has pressure because a. the stratosphere is thick b. air has mass c. wind moves the air d. temperature warms the air

Which of the following values represents an index of refraction of an actual material

What physical characteristic is the same for a particular substance regardless of the sample size.

In the hydrologic cycle, water evaporates into the atmosphere. It then condenses and falls to the ground as precipitation. How can the water return to the atmosphere?