This is where the center of gravity of a softball bat is located.
What is the more massive end of the bat?
100
Incident light hits a flat mirror at an angle of 27 degrees from the normal. This is the angle between the normal and the reflected angle.
What is 27 degrees?
100
Both liquids and gases are fluids, but gases are different than liquids because...
they do not have a definite volume.
100
This is the time needed for a wave to make one complete a cycle.
What is the period?
100
This type of image is formed when rays of light actually intersect.
What is real?
200
An object will fall over if its center of gravity is ______.
What is not over its area of support?
200
This is the type of mirror that is used whenever a magnified image of an object is needed.
What is a concave mirror?
200
This is what would happen to your weight if the mass of the Earth increased, with no change in radius.
What is increase?
200
These are produced when periodic waves of the same frequency, amplitude, and wavelength are traveling in opposite direction.
What are standing waves?
200
This is what would happen if you looked at a light through the lenses from two polarizing sunglasses that were overlapped at right angles to each other.
What is darkness (no light would pass through - theoretically of course)?
300
When an object is thrown so that it spins, it will spin around this point.
What is the center of gravity?
300
For a spherical mirror, the focal length is equal to ______ the radius of curvature of the mirror.
What is half?
300
A 9.5 N object is placed in a tank of glycerin which exerts 10.0 N on the object. This is what the object will do when it is placed in the tank.
What is float?
300
A sound wave is an example of this type of wave.
What is a longitudinal wave?
300
This is the phenomenon that causes a pencil to appear bent in a glass of water.
What is refraction?
400
This is the resistance an object has to changes in its rotational state of motion.
What is rotational inertia?
400
This is how an image will appear if it has a negative magnification.
What is real and inverted?
400
A water bed that is 1.5 m wide and 2.5 m long weighs 1055 N. Assuming the entire lower surface of the bed is in contact with the floor, this is the pressure the bed exerts on the floor.
What is 280 Pa?
400
This is a wave's velocity it the wave travels an average distance of 6 meters in 3 seconds.
What is 2 m/s?
400
Refraction is the bending of a wave disturbance as it passes at an angle from one ______ into another.
What is medium?
500
This is the object that reaches the bottom of a hill first when a ring, a disk, and a solid ball with equal masses are rolled down a hill at the same time.
What is the ball?
500
An image formed by a diverging lens will always have this characteristic.
What is virtual?
500
A water tunnel has a circular cross section where the area diminishes from 10.2 m^2 to 1.13 m^2. When the velocity of the water is 3.0 m/s in the larger part of the tunnel, this is the speed of the water in the smaller part of the tunnel.
What is 27 m/s?
500
Two waves arrive at the same place, at the same time, exactly in step with each other. Each wave has an amplitude of 2.5 m. This is the amplitude the resulting wave will have.
What is 5.0 m?
500
This is the angle of refraction when a beam of light in air (n=1.00) is incident at an angle of 35 degrees to the surface of a rectangular block of clear plastic (n=1.49).