Which descriptions best fit the labels? X: kinetic energy Y: potential energy X: potential energy Y: kinetic energy X: mechanical energy Y: electrical energy X: electrical energy Y: mechanical energy

How big is observable universe? How do we know that?

For most substances, the distance between particles is smallest when the substance exists as A a liquid B a gas C a solid D none of the above

Who was the first person to observe the moon through a telescope

Ben franklin showed that 1 teaspoon of oil would cover about 0.50 acre of still water. if you know that 1.0 x 104m2 = 2.47 acres, and that there are 5.0 cm3 in a teaspoon, what is the thickness (in cm) of a later of oil?

A piece of metal is vibrating with a high frequency. the sound it emits will have a (n) ___.

Which best distinguishes between the inner and outer planets? An asteroid belt is the dividing line between the inner and outer planets. The increase in the number of moons divides the inner and outer planets.

A package is pushed across the floor a distance of 90 feet by exerting a force of 32 lbs downward at an angle of 24 ∘ with the horizontal. How much work is done? Round to the nearest foot pound.

Which of the following is an example of a gas liquid mixture? a. air we breath b. helium balloon c. ice cube d. Carbonated drink

A car starts from rest and accelerates at 2.0 m/s2 for 10 seconds. What is the car's displacement at the end of 10 seconds?

A cycle in which a person loses weight gains it back and lose it again is known asa. yo-yo dieting b. anorexia c. calorie restrictiond. bulimia