Gravity pulls downward on a rock with a force of 800 N. If you pull upward on the rock with a force of 400 N, what is the total force acting on the rock?

A. 400 N downward

B. 400 N upward

C. 1200 N downward

D. 1200 N upward

Fruit drinks are often 27 percent solutions by volume of real juice with water. If a bottle of fruit juice contains 2.00 L, what volume of real juice does it contain?

Carla pushes a toy car and lets it go. The toy car rolls and gradually comes to a stop. what would make the car stop?

Which of the following is the best sign that cooking pancake batter causes a chemical change

Magma that cools and crystallizes on Earth's surface forms A. quartz. B. marble. C. intrusive rocks. D. extrusive rocks.

When a person blinks what characteristic of living things are you displaying

Which best describes the direction of heat?

Use the data from the table to calculate the average rate of change of martian temperature t with respect to time t over the interval from 8:07 am to 9:34 am. (round your answer to three decimal places.)

Determine el valor de la potencia electrica que experimente un circuito cual se somete a 120 voltios emitidos por accion de las cargas electricas que viajan a través de el y que experimentan 4 amperios de intensidad, durante todo el trayecto del

Some wave characteristics depend upon how the wave is produced. other wave characteristics depend upon the properties of the medium.

What is the mass of oxygen in an oxygen tank at 20 C if the tank has a volume of 0.20 m3 and the oxygen pressure in the tank is 4.0 105 N/m2 (mass of one mole of one mole of oxygen is 16 g and the universal gas constant is 8.