What effect can be observed in a planet's speed in its orbit as it travels away from the Sun? A. increases B. remains same C. decreases D. unpredictable

Which best describes why a physical change differs from a chemical change? A. A physical change predicts the behavior of a substance when in a reaction, whereas a chemical change is used to identify characteristics of a substance. B.

Where are the sun's rays the strongest, which makes the ocean water the warmest?

If an acid is splashed on your skin, wash at once with

When the velocity of a mass on a spring is zero, the acceleration is at a

Over a time interval of 1.99 years, the velocity of a planet orbiting a distant star reverses direction, changing from + 20.7 km/s to - 22.0 km/s.

An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a speed of 10.0 m/s in 3.30 s.

Why do skiers often wear sunglasses while they are skiing

The amount of gravitational force exerted on each other between two objects depends on their A) mass and distance. B) mass and diameter. C) distance and volume. D) distance and location. Eliminate

Why is plasma called the "fourth state of matter"? I've recently heard that plasma is sometimes referred to as the "fourth state of matter". Why is this? Why is it not the first, second or third?

Which of these would you include ina free body diagram for a bicycle-plus-rider taken together as the bicycle is being pedaled up the hill?