When you look into a pool of water, the depth looks less than it actually is because of __________
Fill in the blank(s) with correct word
refraction
You might also like to view...
This figure demonstrates that when the wire on the left is connected from one end of the battery to the other, producing a short circuit, the light goes out. Why does the light go out?
a. The wire causing the short circuit has much less electric resistance than the light bulb, so the voltage stays the same with much less current through the bulb than through the short circuit wire. b. The voltage drops drastically but the resistance across the circuit does not change. c. The current flows almost entirely through the added wire because of its very low resistance, and the voltage also drops drastically. d. The existence of two paths reduces the voltage across the bulb in half. e. The existence of two paths reduces the current through the bulb in half.
The slope of a velocity vs. time graph is the acceleration
Indicate whether the statement is true or false
A dog is standing in the bed of a pickup truck. The bed is coated with ice, causing the force of friction between the dog and the truck to be zero
The truck is initially at rest, and then accelerates to the right, moving along a flat road. As seen from a stationary observer (watching the truck move to the right), the dog A) does not move left or right, but the back of the truck moves towards the dog. B) moves to the right, but not as quickly as the truck is moving to the right, causing it to slide towards the back of the truck. C) moves to the right at the same rate as the truck, so it doesn't slide. D) moves to the left, as the truck moves to the right, causing the dog to slide towards the back of the truck.
Parallax would be easier to measure if
a. Earth's orbit was larger. b. the stars were farther away. c. Earth moved faster along its orbit. d. all of these e. none of these