Which of these is not a gas?

O A. Oxygen

O B. Gravity

O c. Helium

O

D. Hydrogen

What is your body's metabolic power use while running the generator to power your laptop charger, given the typical efficiency for such tasks? Assume 100% efficiency for the generator.

How does the orientation of the Earth's axis relate to the position of the Sun in the sky?

A boy is twirling a model airplane on a string 4 feet long. if he twirls the plane at 0.25 revolutions per minute, how far does the plane travel in 4 minutes? round to the nearest tenth.

A fan is driven by an electric motor. Explain how adding a thermistor to the circuit would make the fan move faster when the room is warmer.

Current 3A for 5S = ?

A fully charged parallel-plate capacitor remains connected to a battery while a dielectric is slid between the plates. Do the following quantities increase, decrease, or stay the same? Select one or more: a. delta V increases b.

Energy is observed in two basic forms: potential and kinetic. Which of the following correctly matches these forms with a source of energy? a. the heat released from a living organism: potential energy b.

What should you do when operating a boat in large waves and high wind?

A planetary nebula forms when the outer layers are expelled from which type of star?

During a medical condition screening lung capacity testing is a standard procedure. True of false