waves
True or false. A disturbance that transfers energy from place to place is called a wave
True
true or false: energy cannot be created or transfered
scalar
Why do astronauts feel weightless while orbiting Earth?
always falling --> no normal force
Element 67 on the periodic table is which element?
Holmium
What is the primary defensive purpose of a castle moat?
to stop attackers from invading
Sound wave is which time of wave
longitudinal
Write the formula for kinetic energy.
1/2 m v2
Why does a seatbelt reduce injury during a car crash?
increases time for acceleration
Which Canadian hockey team last won the Stanley Cup in 1967?
Montreal Canadians
Fortnite is best described as which type of video game?
battle royal
this occurs when small vibrations cause an amplification of the amplitude
resonance
what is kinetic energy
energy possessed by moving objects
This physicist proposed the theory of general relativity.
The name of the physicist is:
Alber Einstein
This ex raptor who helped bring home a chip in 2019 is 6 foot 7.
Kawahi Leonard
Fortnight a the Taylor Swift song on THIS album
tortured poets society
In an open air column, second resonance occurs at
1 full lamda
A ball is dropped from rest. What is its velocity after 3.0 s?
29.4m/s
This is the name for the force that opposes the motion of two surfaces sliding past each other.
What is the name of this force?
friction
True or False: Colour television became widely popular in the late 1960s, around 1967.
True
How many days in a fortnight
14
MAKE A STANDING WAVE
BANG!!!!!!!!
A skateboarder rolls down a 4.0 m ramp starting from rest. Assuming no friction, find the speed at the bottom.
8.9 m/s
What happens to wavelength when frequency increases in a constant medium.
it decreases
A light ray hits a plane mirror at 67°. What is the angle of reflection?
67°
What are the 3 building materials (commonly referred to as mats) in the game fortnite?
Wood, Stone, Metal