3. If substance A has half the index of refraction of substance B, which is (most likely) more dense

In a slap shot a hockey player accelerates the puck from a velocity of 9.00 m/s to 60.0 m/s in the same direction. if this takes 3.33 ✕ 10-2 s, calculate the distance over which the acceleration acts.

What does the object that gives up electrons become

A compound of sulfur (S) and oxygen (O) would most likely be ionic. True or False?

A man of mass 80kg stands next to a stationary ball of mass 4kg on a frictionless surface. He kicks the ball forward along the surface with a speed 15m/s. Calculate the man's recoil speed

Belly-flop Bernie dives from atop a tall flagpole into a swimming pool below. His potential energy at the top is 7000 J (relative to the surface of the pool). What is his kinetic energy when his potential energy reduces to 1000 J?

Your 300 mL cup of coffee is too hot to drink when served at 87.0 degrees Celsius. What is the mass of the ice cube, taken from a - 15.0 degrees Celsius freezer, that will cool your coffee to a pleasant 65 degrees Celsius?

How can the same material bend in one situation but break in another

According to Newton's first law of motion, what would happen to a car traveling at a constant velocity of 55 MPH to the west in the absence of an unbalanced force?

The Appalachian mountain range in the Eastern United States was once much taller than the Rocky mountain range in the Western United States.

Describe how lighting is just like you walking across a carpet and getting shocked