Two objects, one having twice the charge of the other, are seperated by 0.84 m and exert a force of 6.5 X 10*3 N. What is the charge of each object.
What is 5.05 X 10*-4 N and 1.01 X 10*-3 N.
100
In a standing wave, nodes are a place of these to things.
What is no motion and destructive interference.
100
What is the constant of a spring that stretches 6 cm when a basket of vegitables that weighs 2 N is suspended from it.
What is 33.33 N/m
100
An electron is acted on by an electric force of 3.2 X 10*-14 N. What is the magitude of the elcetric fieldd at the electron's location.
What is 1.99 X 10*5
100
This affects the period of a pendulum.
What is the length of the string or the free-fall acceleration of the pendulum's location.
200
This meathod of charding involves moving after direct contact.
What is conduction.
200
Two crests meeting will cause this.
What is constructive interference.
200
Springs have this type of potential energy.
What is spring potential energy.
200
An electric force of F exists between two charges that are initially 4 cm apart. The charges are then moved to a distance of 1 cm apart. How does the new electric force between the charges compare to the original force?
What is the new force is 16F.
200
A man enters a tall tower, needing to know its height. he notes that a long pendulum extends from the ceiling almost to the floor and that its period is 15.5 seconds. the tower is this tall.
What is 59.7 meters tall.
300
A metallic coin is given a positive electric charge. This happens (or doesn't happen) to its mass.
What is stay unchanged.
300
A wave with a large amplitude has more/less energy than a wave with a small amplitude.
What is more energy.
300
A 0.75 kg toy oscillating on a spring completes a cycle every 0.6 seconds. The frequency of this oscillation is...
What is 1.67 Hz.
300
When a potential difference of 125 v is applied to two parallel plates, the field between them is 4.5 X 10*3 N/C. This is the distance between the plates.
What is 2. 94 X 10*-2
300
If a pendulum with a height of 59.7 meters is taken to the moon, where the free-fall acceleration is 1.67 m/s squared, this is the period.
What is 37.57 seconds.
400
An object becomes electrically charged as a result of the transfer of this subatomic particle.
What is electron
400
Transverse waves cause particles in the wave to move parallel to this.
What is the motion of the wave's energy.
400
The form of energty that exists when the energy in a mass-spring system is in maximum displacement is this type of energy.
What is spring potential energy.
400
This is a way to measure electric fields that involves a small charged object.
What is placing a small charged object at some location. If there is an electric force on it, then there is an electric field at that point.
400
If a grandfather clock is running slow, you can do this to the pendulum to correct the time.
What is shorten the length of the pendulum.
500
Lightning travels from the highest object on the ground toward this direction.
What is up
500
You dip your finger into a pan of water twice each second, producing waves with crests that are seperated by 0.15 m. The frequency and period of these waves are ______ and ________.
What are 2.0 Hz and 0.5 seconds.
500
This is the force necessary to stretch a spring 0.25 m whe the spring constant is 95 N/m.
What is 24 N.
500
An electric field that is 0.25 m away from a small sphere is 450 N/C toward the sphere. This is the charge for the sphere.
What is negative.
500
A string is hung from a ceiling, and an object attatched to its lower end stretches the spring by a distance of 5 cm from its unstretched position when the system is in equilibrium. If the spring constant is 47.5 N/m, determine the mass of the object.