What is the rare but colorful cloud that forms about 50 miles above the earth, and when is it seen?

A certain part of cast iron piping of a water distribution system involves a parallel section. both parallel pipes have a diameter of 30 cm, and the flow is fully turbulent. one of the branches (pipe a. is 1500 m long, while the other branch (pipe b.

In a chemical reaction, atoms are created or destroyed. True ore false ...

How does Newton's third law of motion apply to a dog catching a frisbee

Consider a basketball rolling (without slipping) down an inclined plane. The basketball is basically a thin spherical shell, so its moment of inertia I = 2 3 M R2. Given the angle of 32.

what is the difference in gravitation potential energy when a 3.5 kg box is raised from a height of 1.2m to height of 4.0m?

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?

What two pieces of data indicates that uranus resides in the outer layer of the solar system.

What is acceleration? a. change in velocity/change in time b. change in distance/change in time c. change in mass/change in volume d. change in pressure/change in time