Explain the difference between displacement and distance

Which of the following characteristics of stars is affected by a stars temperature? 1. Brightness 2. Color 3. Distance from Earth 4. Size

Satellites are sent out into space to make "fly bys" of planets, moons, and objects in the outer solar system, True or False

Tea in a kettle cools slowly but cools faster in cup

Wet floors can sometimes be slippery. what is the reason for this? a. the water increases the friction between the floor and the feet b. the water decreases the friction between the floor and the feet

How fast must a cyclist climb a 6.0º hill to maintain a power output of 0.25 hp? Neglect work done by friction, and assume the mass of cyclist plus bicycle is 68 kg.

What effect do oceans have on the temperature of coastal areas? A. Ocean breezes warm the coastal land constantly. B. Ocean currents always cool a coastline. C. Ocean winds prevent extremes of temperature on coastal lands. D.

Vf=vi+at solve for t

A solenoid is formed by winding 23.0 m of insulated silver (resistivity 1.59 * 10-8 Ω·m) wire around a hollow cylinder. The turns are wound as closely as possible without overlapping, and the insulating coat on the wire is negligibly thin.

How would you describe the two projectors used to screen a three-dimensional movie? A. Both projectors have vertical polarizers. B. One projector has a vertical polarizer and the other has a horizontal polarizer. C.

A roller coaster has a mass of 500 kg. It drops from rest at the top of a hill that's 57 m tall. How fast is it going when it reaches the bottom? Acceleration due to gravity is g = 9.8 m/s2.