What does this?
-is swept continuously behind a plane flying faster than the speed of sound
What a sonic boon does
100
Protons & electrons...
attract to each other
100
Which is greater, the gravitational force between earth and the moon or the force between earth and the sun?
None they are both equal.
100
What type of weather is in the movie most of the time?
Winter
200
An object that has kinetic energy most have
Momemtum
200
You stand at the node
Where you can touch a standing wave without disturbing it.
200
A rubbed ballon will stick to a wooden wall which demonstrates charge.....
Polarization
200
Whose the main characters in the Disney movie Frozen?
Elsa & Anna
300
Kinetic energy of an object is equal to
One half the product of its mass times it's speed squared
300
What are v shaped pattern made on overlapping wave crest?
Bow waves
300
The charge of an electron is....
Negative
300
Why did Newton think there was a force acting on the moon?
Because the moon travels in a curved path
300
How do Elsa's parents die?
They drown in the ship
400
Mechanical energy can be in the form of
Potential and kinetic energy
400
What is a transverse wave?
A wave created by shaking a rope up and down
400
Bring a charged object near a conductor and then momentarily touch the conductor . This demonstrates charge by
Induction
400
If you drop a stone into a hole drilled all the way to the other side of the earth the stone will...
Speed up until it gets to the center of the earth.
500
True or false
Energy is change from one form to another with no net loss or gain
True
500
What is the thing called that happens when the sound of a cars horn passes and recedes from you, the pitch of the horn decreases
Doppler effect
500
A negatively charged rod is brought near a metal can that rests on a wooden table. You touch the opposite side of the can momentarily with you're finger. The can is then
Positively charged
500
A planet has half the mass if the earth and half the radius. Compared to its weight on the earth, an apple on this planet would weigh