Which of the following is Not true about Mechanical Waves?

A they carry energy

B they transfer matter

C they can be longitudinal

D they require a medium

How is a projectile's initial speed related to its height and horizontal displacement?

A train travels 160 km in 2 h. What is the train's average speed in km/h?

Two cups of the same size are filled to the brim with clear liquids. Cup A holds water. Cup B contains alcohol. Your teacher challenges you to figure out which cup holds water.

Which bird on the wire, the one with a mass of 50g or the one with a mass of 60g, has the most potential energy?

Interstellar clouds are primarily composed of nitrogen and oxygen. Question 1 options: True False

Which region of the Sun is typically about 6,000 C?

How well does the infographic ""Plastics in the Ocean"" present a solution to the problem it describes?

Which of the following would be a good question that could be scientifically investigated? what is the best advice a parent can give a child what is the most appropriate number of dogs per household do cherry popsicles freeze slower than orange

Formulas (equations) : A = 3x and B = 5x + 1 As x increases, does A or B go up faster? if x=0, then A=? if x=1 then B=?

Sound travels 2146 m through a material in 1.4 seconds. What is the material?