Stars combine Hydrogen to make Helium during nuclear fusion. Living things are made of heavier elements like Carbon, Oxygen, Iron, and Calcium. How did these elements form?

A clam of mass 0.12 kg dropped by a seagull takes 3.0 s to hit the ground. [Neglect friction.] What is the velocity of the clam when it strikes the ground? [Show all work, including the equation and substitution with units.]

Describe an example of a behavior that is impacted by socialization and cultural influences.

As you hurry to catch your flight at the local airport, you encounter a moving walkway that is 84.0 m long and has a speed of 3.4 m/s relative to the ground. How long would it take you to cover the 84.

Which is a concern about mining for uranium? -Heated water could be released into the environment. -Dust released in the air could be radioactive. -Supplies could become low during a drought.

Awave is traveling through X. What can be known about X? It is empty space. It is any medium. It is a solid It is a liquid.

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?