Vocab
Measure of how much force causes rotation
What is torque?
A 10 N Force is applied 0.5 m from pivot point. Find torque.
State of matter that has definite volume but not shape
What is liquid?
A wave has a wavelength of 3 m and a frequency of 10 hz. Find speed.
What is 30 m/s?
The country that gifted the Statue of Liberty to the US
Who is France?
Newtons second law
What is F=ma
An object has a mass of 50 kgs. Find the weight on earth.
What is 500 N?
The state of matter that is compressible?
What is gas?
A sound wave travels at 343 m/s with a frequency of 735 Hz. Find wavelength.
What is 0.47 m?
The planet with the shortest day in our solar system
What is Jupiter?
Angle of incidence is equal to the angle of reflection
What is law of reflection?
A spring with k = 100 N/m is stretched 0.20 m. Find the restoring force.
What is 20 N?
High energy state of matter made from ionized gas
What is plasma?
Lightning is seen and then heard 4.2 seconds later. Find distance to the strike. (velocity of sound in air is 343)
What is 1440.6 m?
The largest organ in the body
What is skin?
Material a wave travels through
What is a medium?
An object has a mass of 200 g and a volume of 50 cubic centimeters. Find the density.
What is 4 g/cubic cm?
Mechanical waves require
What is a medium?
The peaks of a wave are ___________ and the valleys are ____________.
What are crests and troughs?
The largest desert on earth
What is Antarctica?
center-seeking force that forces an object to follow a curved or circular path, always acting perpendicular to the object's velocity towards the center of rotation
What is centripetal force?
A 2 kg object moves in a circle at 4 m/s with a radius of 2 m. Find centripetal force.
What is 16 N?
The bending of light as it moves from one substance to another
What is refraction?
A speaker emits 2.0 W of sound in all directions. Find intensity at 5.0 m. Equation is I= P/4pi r2
What is 0.0064 W/m2?
What is Lake Baikal?