If the temperature of an iron sphere is increased a. Its mass will decreaseb. Its density will increasec. Its density will decreased. Its density will remain unchanged

While scuba diving with some friends, Deshawn notices that the air bubbles exhaled by his friends increase in size as they get closer to the surface of the water. Why does this occur and which gas law explains it?

Definition of Newton's first law of motion

Write one example of a physical change and one example chemical change

Winds are named based on different factors. How are winds usually named? A. Winds are usually named based on their strength. B. Winds are usually named based on their altitude. C.

A helical gear has 30 teeth and a pitch diameter of 280 mm. Gear module is 8 and pressure angle normal to tooth is 20°. The force normal to the tooth surface is 4500 N. Determine the kW transmitted at 620 rpm.

How does gravitational force and electric force compare?

There are two types of addiction, psychological and physical. A. True B. False

What two gases probably dominated precambrian earth's atmosphere?

a fast ball travels at about 161kilometers/hr if this fast ball could keep its speed how long would it take this ball to travel 0.15 terameters?

You are traveling upstream on a river at dusk. you see a buoy with the number 4 and a flashing red light. what should you do?