A 5-kilogram rock is perched on a cliff 6 meters above a

lake. How much gravitational potential energy does the rock

have?

OA) 30 J

O B) 90 J

OC) 147

OD) 294

Consider the gravity of the four spheres. If we wanted sphere C to attract the other three spheres, what is one feature of sphere C we must change? A) Increase its mass. B) Make it less dense. C) Increase its diameter. D) Change its composition.

Factor each expression. a. d2 + 8d + 7

Relate a car's suspension to harmonic motion

Consider a wire that has resistance r, length l and the cross-sectional area a. the correct expression for the resistivity of that wire is:

What is the relationship between Net Force Applied, Mass and Change in motion of an object?

What's the transmission of heat requiring the movement of a liquid or a gas is?

Wich section of a business plan should come first but be written last?

Lemonade powder is stirred into water until it dissolves. Which are true statements? Check all that apply. A. Lemonade is the solute. B. Water is the solvent. C. Lemonade is the solvent. D. Water is the solute.

Nikolas, the fire extinguisher, and the skateboard have a combined mass of 50 kg. What force would the fire extinguisher have to produce to propel Nikolas if he wanted to accelerate at a rate of 1.

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table