What formula do you use to figure out vertical displacement in projectile questions

which of the following refers to the motion of an object falling straight down with only the force of gravity acting on it

a train travels 81 kilometers in 2 hours and then 88 kilometers in 2 hours what is its average speed

1) Which is a characteristic of a metal? A) It looks dull. B) It feels brittle. C) It is a good insulator. D) It is a good conductor of electricity. 2)

If a person weighs 125 lbs, 8oz., how many mg does s/he weigh

PART ONE In a 31 s interval, 320 hailstones strike a glass window of area 1.455 m^2 at an angle 70◦ to the window surface. Each hailstone has a mass of 6 g and speed of 4.6 m/s. If the collisions are elastic, find the average force on the window.

An inattentive driver is traveling 15.0 m/s when he notices a red light ahead. his car is capable of decelerating at a rate of 3.35 m/s2. part a if it takes him 0.210 s to get the brakes on and he is 66.

How could dead skin under fingernails indicate that a struggle occured?

Is the formation of rust on an iron nail a chemical change or a physical change? Explain your answer.

What area specializes in the identification and examination of skeletal remains?

Which of the following is an example of a lever in your school supplies? siss ors pen paper or ruler