A boy lifts a 30N dragon 2 meters above the ground. How much work did the boy do in the dragon? What is the work?

17. Two masses, m1 and m2 are separated a distanced. What changes in the variables will result in no change in the gravitational force between the masses?. (More than one answer is correct) a. m1 is double and dis doubled. b.

Devices such as seat belts and airbags are used to protect passengers from which one of Newton's Laws?

What are the rows of the periodic table of the elements also called?

Use what you know about inertia to explain why you feel pressed back into the seat of a car when it accelerates

A baseball player comes to a stop as he slides into a base. Which two things slow him down as he slides?

Which statement best describes the movement of particles when a wave travels through a medium? The particles are

What is the acceleration of all objects due to gravity? What does this mean?

Which is the correct formula for cellular respiration? a. 6 CO2 + 6 H2O + light energy → C6H12O6 + 6 O2 b. CO2 + H2O → C6H12O6 + O2 c. C6H12O6 + O2 → CO2 + H2O d. C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + ATP energy

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

Consider two cars, a 700kg Porsche and a 600kg Honda Civic. The Porsche is speeding along at 40 m/s (mph) and the Civic is going half the speed at 20 m/s.