In simple harmonic motion, the displacement is maximum when the?
velocity is zero
100
What is Coulombs Law?
What is a law of physics describing the electrostatic interaction between electrically charged particles.
100
Electric current is typically measured in what units?
What is Amperes
100
Which of the following transfers charge most easily?
What is Conductors.
100
Electric power is typically measured in what units?
What is Watts
200
If the length of a simple pendulum is doubled, its period will
What is increase by a factor of square root of 2
200
What is a Charge?
What is a characteristic of a unit of matter that expresses the extent to which it has more or fewer electrons than protons.
200
Electric resistance is typically measured in what units?
What is Ohms
200
A repelling force occurs between two charged objects when?
What is charges are of like signs.
200
Conductors have a high or low resistance?
What is Low
300
a simple pendulum of long L. Whose bob has mass m, oscillates with a period T. If the bob is replaced by on go mass 4m, the period of oscillation is?
What is T
300
What is a torque?
What is: Torque is a measure of how much a force acting on an object causes that object to rotate.
300
If a blender is plugged into a 110 V outlet that supplies 2.7 A of current, what amount of power is used by the blender?
What is P=IV=(2.7)(110v)= 297 W
300
Electric charge is
What is conserved
300
The SI unit of power is
What is Watt
400
Sound is a ______ wave. it is also a _____ wave
What is Mechanical and Transverse
400
What is newtons second law of motion?
What is The acceleration of an object depends on the mass of the object and the amount of force applied
400
Find the resistance of a circuit that draws 0.06 amperes with 12 volts applied
What is R=E.I = 12/.06 = 200 ohms
400
When electrons move through a metal conductor....
What is they move in zigzag patterns because of repeated collisions with the vibrating metal atoms.
400
All forms of energy deal with what?
What is Motion
500
A wave on a rope travels with a speed of 10 m/s. The length of the rope is 5m and the tension in the rope is 25N. what is the ropes mass?
What is 12.5kg
500
What is Centripetal Force?
What is a force that causes an object to move in a cycle
500
A DC electric motor transforms 1.50 kW of electrical power into mechanical form. If the motor's operating voltage is 300 volts, how much current does it "draw" when operating at full load (full power output)?
What is P=IV;I=P/V=1500W/300V= 5A
500
Which of the following is NOT true of both gravitational and electric forces?
What is forces can be either attractive or repulsive.
500
What are the various forms of energy?
What is potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms.