Suppose you calculated the speed of light in an unknown substance to be 4.00 x 10^8 m/s. how could you tell you made an error in your calculations.

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

Blank liquids and gases exert a buoyant force on objects placed in them

Apersons beliefs and general outlook, which act like filters on the information they receive are called ?