What is the ratio of escape speed from earth to circular orbital speed? ignore air resistance.

In a motor, electrical current enters through the brushes. a. True b. False

Suppose your hair grows at the rate 1/31 in. per day. find the rate at which it grows in nanometers per second. because the distance between atoms in a molecule is on the order of 0.

If the bottom of the blue line on the right side of a Min/Max Thermometer is at + 27, what does that tell you about the temperature? a. The current temperature is 27°C c. The current temperature is less than 27°C b.

What role does voltage play in the formation or use of an electromagnet?

2. A biologist measures the speed of a swimming amoeba. The amoeba covers a distance of 17.36 microns in 30 seconds.

A distance - time graph indicates that an object moves 100 m in 4 s and then remains at rest for 6s what is the average speed of the object

A scientist is conducting research to determine how much pressure a dam can withstand. Why are good observations important to his research?

What is the ratio of escape speed from earth to circular orbital speed? ignore air resistance.

What do you understand by resolution of vectors

A plant uses energy from the Sun to make food. What kind of energy transformation is this?