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

All systems have what 1. output and feedback, 2. process and function, 3. input and process and output, 4. input and output and sensors

How many electrons does bromine (#35) have in its valence level?

How is it possible for a person watching a baseball game on TV to hear sounds before someone who is actually watching the same game at the stadium?

The trajectory of charged particles in an electric field a. must be along the electric field line always. b. must be tangential to the electric field line. c. is always circular. d. must be perpendicular to the electric field line. e.

What weighs more a mole of feathers or bricks?

What is the weight on earth of a girl with a mass of 38 kg?

50g of ice at 0°C is mixed with 50g of water at 80°C, what will be the final temperature of a mixture in degrees C?

If the Density of an object is 5.2 g/cm3, and its volume is 3.7 cm3, what is its mass

The direction of the magnetic field is determined by which of the following? A. energy of the current B. magnetic domain C. magnetic force D. direction of the current

A ship is traveling at 154 m/s and accelerates at a rate of 1.80 m/s^2 for 1 minute. What will its speed be after that minute? Calculate the answer in both meters per second and kilometers per hour.