A metal bar moves through a magnetic field. the induced charges on the bar are

Use the absolute and relative uncertainty to determine which is more precise mass or volume g

A rock is dropped from a cliff. What will eventually happen to the rock's motion? A. Gravity will cause the rock to slow down before it reaches Earth. B. Air resistance will cause the rock to accelerate as it falls. C.

Which of the following planets is the outermost of the four inner terrestrial planets? Earth Venus Mercury Mars

Which example most effectively illustrates the dual nature of light? a. cameras that use photographic film b. solar panels c. radio antennas d. burglar alarms Must be sure about your answer

Light from a sodium lamp passes through a diffraction grating having 1000 slits per millimeter. The interference pattern is viewed on a screen of 1.00m behind the grating. Two bright yellow fringes are visible 72.88cm and 73.

given that a car's distance from a stop sign t seconds since it started moving is represented by d=t2-2t determine the car's average speed over each interval of elapsed time

A ball hits a wall. What is true about the magnitude of the force experienced by the ball compared with the force experienced by the wall? OA. The ball experiences more force than the wall. OB. The ball experiences less force than the wall.

A swimmer jumps from a waterfall thats is 8.5 m high from the lake below. How fast must he run horizontally to dive 2.5m away from the base of the waterfall?

What happens (as far as energy goes) when a molecule of gas strikes the wall of a container?

The boom of a fire truck raises a fireman (and his equipment - total weight 280 lbf) 60 ft into the air to fight a building fire.