Joshua skates in a straight line at a constant speed for 1 min, then begins going in circles at the same rate of speed, and finally begins to increase speed. When is he accelerating? Explain your answer

Two samples of water sample a mass at 100 G BB mass at 250 g they both have the same initial temperature and are allowed to cool to room temperature what would be the temperature change in Sample be compared to sample a

Sound wave travel through what type of matter? Solid, liquid, or gas

In some areas of the world, like California and Japan, earthquakes are a common occurrence. How can this best be explained? A) The strong ocean currents are undermining both areas causing earthquakes.

How do we use Newton's second law of motion and the law of universal gravitation to solve problems that involve the orbital motion of satellites?

The aluminum foil in a package containing 75 square feet of foil weighs 12 ounces. aluminum has a density of 2.70 g / cm3. what is the approximate thickness of the foil in mm?

Which moon has a thick atmosphere made mostly of nitrogen?

J. J Thompson proposed that atoms were made up of positively charged particles with electrons scattered into them. How did he reach this conclusion?

A bathroom scale is compressed 0.21 in. when a 210 -lb person stands on it. Assuming that the scale behaves like a spring that obeys Hooke's law, how much does someone who compresses the scale 0.06 in.

Explain what happens when a ferromagnetic material is made into a permanent magnet.

You are drawing a branching diagram to show the relationship between Turtles frogs and alligators which two organisms does the diagram indicateas having the most recent common ancestor