Which pair of sentences is describing the same velocity? a)a car is parked. a car is moving in circles. b)a bus drives 40 miles per hour north. a truck drives 50 miles per hour north. c)a boy walks east at 6 kilometers per hour. a girl walks west at the same speed as the boy. d)valerie rides her bike south at 8 kilometers per hour. owen jogs south at 8 kilometers per hour.

Imagine you are riding on a yacht in the ocean and traveling at 20 mph. you then hit a golf ball at 100 mph from the deck of the yacht. you see the ball move away from you at 100mph, while a person standing on a near by beach would observe your golf ball traveling at 120 mph (20 mph + 100 mph). now imagine you are aboard the hermes spacecraft traveling at 0.1c (1/10 the speed of light) past mars and shine a laser from the front of the ship. you would see the light traveling at c (the speed of light) away from your ship. according to einstein’s special relativity, how fast will a person on mars observe the light to be traveling? a) 0.1c (1/10 the speed of light) b) c (the speed of light) c)1.1c (c+0.1c)

Describe the function of the endomembrane system? what organelles are involved?

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?