A 4-kg cat is resting on a bookshelf that is 2 m high. What is the cats gravitational potential energy relative to the floor if the acceleration due to gravity is 9.8m/s^2?

a. 6 J

b. 8 J

c. 20 J

d. 78 J

How many bones does a hammerhead shark have? Brainliest offered!

What type of resource is corn?

A 0.43-kg soccer ball rolls toward an immoveable goalpost at a velocity of 6.8 m/s. Assuming the collision between the soccer ball and goalpost is perfectly elastic, what is the velocity of the soccer ball after the collision?

Are speed and position both scalar units

Current X is 2.5 A and runs for 39 seconds. Current Y is 3.8 A and runs for 24 seconds. Which current delivered more charge, and how much more charge did it deliver?

Which of the following jobs does not require good swimming ability

An object has an emissivity of 0.725. At temperature T, it radicates heat at a rate of 10 W. What is its rate of heat radiation at temperature 2 T

Which of the following is an instance of persuasive speaking? a. a coach reviewing the offensive plays for next week's game b. a lawyer explaining the details of a plea bargaining agreement to her client. c.

What is needed to support life

What property indicates a star's temperature? A size B color C composition D brightness i forgot lol