A soccer player is running up field at 10 meters per second and comes to a stop in 3 seconds facing the same direction what is his acceleration

1. The sun and other stars produce visible light by a. fluorescence. b. luminescence. c. incandescence. d. electroluminescence.

Which of the following provides the best analogy for an electron in an atomic orbital? A. a cow grazing in a pasture B. a bird resting on a tree branch C. an ant crawling on the surface of a leaf D. a bee hovering around a bee hive

A mass m = 14 kg is pulled along a horizontal floor with NO friction for a distance d = 5.7 m. Then the mass is pulled up an incline that makes an angle θ = 34° with the horizontal and has a coefficient of kinetic friction μk = 0.48.

What are many scientific laws represented with?

What is the name for potential difference that causes current to flow?

Science fiction movies that include explosion sound effects for battles in space are not scientifically correct. Why is this? A. The sound from an explosion can only be transmitted by air. B.

What is the kinetic energy of a 1,900 kg car moving at 89 km/h?

Why do we study black holes

Calculate the kinetic energy of a charging elephant if its mass is 5,000kg and it moves at 8m/s

Why is a decrease in Earth's ozone harmful to life?