The acceleration of an object is not zero at the top of its flight, because the acceleration of gravity on the object does not change.

A car has a mass of 900 kg and a truck has a mass of 1800 kg. In which of the following situations would they have the same momentum? A car has a mass of 900 kg and a truck has a mass of 1800 kg.

What determines the phase of a substance? temperture, humidity, amount of the substance or pressure

Which is an example of transformation potential energy to kinetic energy? Select two. Changing thermal energy to electrical energy. Changing chemical energy to thermal energy. Changing nuclear energy to radiant energy.

A zinc atom has 7 electrons. to what level are it's electrons found

For a star with the mass and size of our sun and having a planet with three times the mass of jupiter, where would the center of mass of this system be located, relative to the center of the star, if the distance from the star to the planet was the

Which threats are characterized by possibly long periods of preparation (years is not uncommon), tremendous financial backing, a large and organized group of attackers, and attempts to subvert insiders or to plant individuals inside a potential

Which of the following is derived unit? A: g (grams, mass) B: m (meters, length) C: s (seconds, time) D: m2 (square meters, area)

A student measured the mass of a rock to be 19.8 grams; the actual mass was 18.6 grams. What was the student's percent deviation?

The height of the Washington Monument is measured to be 170 m on a day when the temperature is 35.0ºC. What will its height be on a day when the temperature falls to - 10.

Which of the following is a way humans have impacted the rainforest, but not the tundra?