Which diagram best shows the perceived sound wave heard by a women after a police car passed by her

What is found in both plant and animal cells but is much larger in plant cells

One problem for humans living in outer space is that they are apparently weightless. One way around this problem is to design a space station that spins about its center at a constant rate.

What divides the elements on the periodic table?

1. What would be the final temperature of a mixture of 50g of water at 200C temperature and 50g of water at 400C temperature?

What is an output force? A) the force a person applies to a simple machine B) the net force on a system C) the force a simple machine applies to an object D) the applied force on a system

If your mass is 20kg, and you stand on the scale (witch is your force), and the acceleration due to gravity is10m/s^2, what does the scale says your weight is?

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.