During an equinox, the number of daylight hours and nighttime hours are nearly equal all over the world.

true or false?

Which law of motion accounts for the following statement? "A ball hit by a man travels faster than one hit by a boy."

A student is asked to describe the path of a paper airplane that is thrown in the classroom. Which statement best describes the path of the paper airplane?

a 1507kg truck enters a corner with a radius of 465m with a centripetal force magnitude of 3410n. What is the truck's speed?

2. Who were the first philosophers to propose that atoms existed? What time period was this?

Several processes form metal ore. Match each process to its description. volcanic activity weathering hydrothermal energy Rocks break down as they interact with air and water.

Suppose a body has a mass of 60 kilograms and a velocity of 2 meters per second upward. What is the linear momentum?

Reflection and abssorption prevent some

Why is it important to change only one experimental variable at a time in an experiment?

A 0.0663 kg ingot of metal is heated to 241◦C and then is dropped into a beaker containing 0.395 kg of water initially at 25◦C. If the final equilibrium state of the mixed system is 27.4 ◦C, find the specific heat of the metal.

What does it mean when we say an atom has decayed?