Which has more kinetic energy, a feather floating through the air or a rock on the ground? Explain.

In the simulation above, as the projectile travels downward, how does the vertical velocity change? A) Vertical velocity is zero. B) Vertical velocity decreases. C) Vertical velocity remains the same. D) Vertical velocity increases.

You launch a ball at an angle of 35 degrees above the horizontal with an initial velocity of 38 m/s. What is the time the ball will stay in the air? [Must show work]

How high would the level be in a gasoline barometer at normal atmospheric pressure?

Why does a fluid become less dense when it is heated?

The initial velocity of a car moving along a straight path was 0 meters/second. After 10 seconds, it reached a velocity of 25 meters/second. Calculate the car's average acceleration during this time period.

What causes physical vibrations in transformers at twice the frequency of the AC power involved.

Projectile motion is a combination of which two types of motion? parabolic and curved straight and diagonal horizontal and vertical constant and linear

If a mass of a material is 100 grams and the volume of the material is 15 cm3, what would the density of the material be?

After three half-lives of an isotope, 1 billion (one-eighth) of the original isotope's atoms still remain in a certain amount of this element. How many atoms of the daughter product would you expect to be present?

A group of two or more stars is called a A. solar system B. neutron star C. protostar D. star system