Mechanics
An object is launched at an angle b with a velocity V. At its peak, what is the velocity in the y-direction?
What is zero?
What are the SI units of resistance?
What is an ohm?
What is atm in pascals?
What is 1*10^-5 pa?
What happens when waves at a pi radian out of phase superpose?
What is destructive interference?
What is the strongest force in nature?
What is the strong nuclear force?
A block of mass m is released from the top of an incline of angle b. The only force that moves the block in an ideal scenario is
what is mgsinb?
Two wires carry current in opposite directions. What is the direction of the magnetic field between them?
What is out of the page?
What is the approximate specific heat of water?
what is 4200 J/(K*kg)
During a double slit experiment, increasing the distance between the slits would do what to the separation of fringes on the wall?
What is increase?
In a coal power plant, what would the chemical energy be converted into?
What is kinetic energy?
The conservation of momentum only applies within a
what is a closed system where there are no external forces?
The direction of the electric field is described by
What is the direction a positive test charge would move in?
Which law describes a proportional relationship between volume and temperature where pressure is constant?
What is Charles' law?
As an object travels from a denser medium to a less dense medium, what happens to its frequency?
what is does not change?
What can be deduced from a graph of neutron number versus proton number for all stable nuclides?
What is the short-range nature of the strong nuclear force?
An object moves from point A to point B in such a way that is not uniform. Which force is always acting on the object regardless of path taken?
What is gravity?
When resistors are in series, they have the same
What is current?
Which equation describes the heat transferred during a phase change?
What is q=mL?
A pipe of length L has two open ends. Another pipe of length L′ has one open end and one closed end. The frequency of the first harmonic of both pipes is the same. What is L′/L ?
What is 1/2?
A simple model of an atom has five energy levels. What is the maximum number of different frequencies in the emission spectrum of that atom?
What is 10?
In what collision is kinetic energy conserved? Assume ideal conditions.
What is an elastic collision?
Which law describes an Amperian loop which is used to find the magnetic field strength at some distance r?
What is Ampere's law?
As kinetic energy increases within an object, what would most likely happen to the pressure?
What is increases?
A point source emits sound waves of amplitude A. The sound intensity at a distance d from the source is I. What is the sound intensity at a distance 0.5d from the source when the source emits waves of amplitude 2A?
What is 16I?
A solar panel has surface area 0.40m2 and efficiency 50%. The average intensity of radiation reaching the surface of the panel is 0.25kWm–2. What is the average power output from an array of 10 of these solar panels?
What is 500W?