An electric train is going south which way is the smoke blowing

A car has a mass of 800 kg. It's weight is approximately?

Which of these is a substance or compound that kills or inhibits bacteria? A. an antibiotic B. a germ C. a microorganism D. a vaccine

When a soda bottle is opened you hear a "whoosh" sound because you are decreasing the pressure of the carbon dioxide in the soda. If the temperature is constant, what else is happening? A. the kinetic energy of the gas increases B.

You are on an interstellar mission from Earth to the distant star Sirius, which is 8.7 light years away.

Which of the following is lightning an example of? A Electric charge B Electric current C Static electricity D Electrostatic discharge

If an element has the atomic mass (a) of 80 and its atomic number (z) is 35, how many neutrons does it have?

A ball is thrown up into the air with an initial velocity of 64 ft/sec. The ball is 4 ft above the ground when it is released. Its height, in feet, at time t seconds is given by: h (t) = - 16t^2 + 64t + 4.

Total these measurements. Your answer should indicate the proper accuracy. Be sure to include the units in your answer.

What is vector quantities?

How does heat flow? A. Heat flows from all objects to all other objects. B. Heat flows from a warmer object to a colder object. C. Heat does not actually flow from one object to another.