Rachel is in a car that was struck by lightning. is she safe?

A man travles at an average velocity of 12 m/s for 4 seconds. what is the total distance travled by the man?

Which statement best explains how density changes when a liquid becomes a gas a. density decreased because the mass changes b. density increases because the molecules move faster c. density decreases because the molecules move farther apart d.

A note on a piano vibrates 262 times per second. What is the period of the wave?

Through which type of medium does sound travel fastest:: solid, liquid, or gas? Through which type of a medium does light travel fastest: solid liquid, or gas?

Which of the following would be used to measure the volume of a fluid? stopwatch graduated cylinder scale meter stick

A transverse wave on a rope is given by y (x, t) = (0.750cm) cos (π[ (0.400cm-1) x + (250s-1) t]). find the period

Which best describes why a physical change differs from a chemical change? A. A physical change predicts the behavior of a substance when in a reaction, whereas a chemical change is used to identify characteristics of a substance. B.

You are watching children play a game of tug-o-war with an old plastic clothesline. The two teams are pulling at opposite ends of the cord and each team is trying to drag the other team into a mud puddle that lies between them.

What is the rate at which electrical energy is converted to another form of energy called?

A person gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. The cart travels forward along the floor, gradually slowing as it moves.