An electromagnetic wave of frequency 10^21 Hz is best classified as _.

A. a gamma ray

B. a radio wave

C. Visible light

D. a microwave

A customer owns 100 shares of ABC stock in a margin account, valued at $40 per share. The customer sells 3 ABC Jul 40 Calls @ $4. The maximum potential loss is:

Best answer questions always include a. Qualified and absolute terms c. Important vocabulary words b. The correct answer d. None of the above

In which situation is maximum work considered to be done by a force? A. The angle between the force and displacement is 180º. ОВ. The angle between the force and displacement is 90°. C. The angle between the force and displacement is 60°. D.

A pulley system is used to lift a 100kg box using a 100N force what is the mechanical advantage

Which two statements describe a situation that would result in a change to landforms on Earth's surface. A. A volcano erupts on a small island. B. A cold front causes a drop in temperature. C. Flooding loosens dirt and rocks along a hillside.

What is the wavelength of an earthquake wave if it has a speed of 4 km/s and a frequency of 7 Hz?

Which of the following do not involve a direction? Check all that apply. A. Time B. Velocity C. Distance D. Acceleration

What does deltaX mean in physics?

Which activity involves using fossil fuels directly or indirectly? 1) eating fresh fruit for a snack 2) cooking hot dogs on a campfire 3) using crayons to color 4) walking to school

Which of the following objects would have the most inertia? A. A sphere with a radius of 5 cm and a mass of 34 grams. B. A sphere with a radius of 4 cm and a mass of 15 grams. C. A sphere with a radius of 8 cm and a mass of 27 grams. D.