How are the upper and lower parts of the stratosphere different?

Dominic is the star discus thrower on South's varsity track and field team. In last year's regional competition, Dominic whirled the 1.6 kg discus in a circle with a radius of 1.1m, ultimately reaching a speed of 52 m/s before launch.

Choose all the answers that apply. According to Newton's first law of motion: objects at rest will remain at rest unless acted upon by an outside force an increase in mass will cause an increase in inertia the greater the magnitude of force, the

The main difference between speed and velocity involves A. direction. B. gravity. C. weight. D. distance.

Which of the following situations would cause light to refract? A. traveling through a vacuum B. passing from one glass block to another C. moving through the air D. moving from air to water

In the absence of air, why does an object with greater mass fall toward Earth at the same acceleration as an object with less mass?

A plane is traveling from one location to another 10,000 miles away. If the plane travels at a speed of 575 miles per hour, how long will it take to get there?

At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. In calm waters, the scale reads 183 lb. During the storm, the crewman finds a maximum reading of 230 lb and a minimum reading of 138 lb. A.

A 1.5m wire carries a 2 A current when a potential difference of 52 V is applied. What is the resistance of the wire?

StarsA. begin as protostars, which fire up when they collapse and become denser and hotter. B. create elements by splitting the nuclei of small atoms into the nuclei of larger atoms. C. have unlimited amounts of fuel and therefore exist indefinitely.

The "atomic weight" of an atom reflects the average number of A) protons. B) neutrons. C) electrons. D) protons + neutrons. E) protons + neutrons + electrons.