Random
Mechanics
Waves
E&M
Constants
100

Draw the electric field between two oppositely charged conducting spheres?


100
An item whose mass is 100 kg has this weight near the surface of the Earth.
What is 981 Newtons?
100
The period of a wave with frequency of 100 Hertz.
What is 0.01 second?
100
The angle between the propagating electric and magnetic fields that form an electromagnetic wave.
What is 90 degrees?
100
Determines how much you elongate or compress to store elastic energy.
What is the spring constant?
200

When two point charges of magnitude q1 and q2 are separated by a distance, r, the magnitude of the electrostatic force between them is F. What would be the magnitude of the electrostatic force between point charges 2q1 and 4q2 when separated by a distance of 2r?

2F

200

Two 20.-newton forces act concurrently on an object. What angle between these forces will produce a resultant force with the greatest magnitude?


0 Degrees

200
The wavelength of radiation in a vacuum with frequency 4.1 x 10^15 Hertz.
What is 7.3 x 10^-8 meter?
200
What is the charge of an object that is attracted to a negatively charged balloon?
What is positive or neutral?
200
Same change in position over change in time.
What is constant velocity?
300

The current in a wire is 4.0 amperes. The time required for 2.5 × 1019 electrons to pass a certain point in the wire is


1.0 second

300
The frictional force needed to accelerate a 1000.-kg vehicle from rest on a dry, level asphalt road.
What is 8339 Newtons?
300
The time it takes for an emitted sound wave at STP to travel to its target and return to the detector if the target is 50. meters away.
What is 0.30 seconds?
300
The magnitude of the force on an electron due to an electric field of 3.68 x 10^6 Newtons per Coulomb.
What is 2.30 x 10^(-25) Newtons?
300
Freefall acceleration near the surface of the Earth.
What is 9.81 meters per second squared toward the center of the Earth?
400

A photon is emitted as the electron in a hydrogen atom drops from the n = 5 energy level directly to the n = 3 energy level. What is the energy of the emitted photon?


0.97 eV


400
The height of a tower from which a dropped metal ball falls for 3.4 seconds before hitting the ground.
What is 57 meters?
400

The number of antinodes for an open-open pipe with standing wave with 4 nodes.

What is 3 antinodes?

400
The equivalent resistance of 3 resistors in parallel with the following values: 1 ohm, 2 ohms, and 2 ohms.
What is 0.5 ohms?
400
8.99 x 10^9 Newton meters squared over Coulombs squared.
What is the electrostatic constant?
500

A 8.0-kilogram cart moving to the right at 4.0 meters per second about 40 to make a head-on collision with a 4.0-kilogram cart moving to the left at 6.0 meters per second.


After the collision, the 4.0-kilogram cart moves to the right at 3.0 meters per second. What is the velocity of the 8.0-kilogram cart after the collision?



0.50 m/s left

500
The maximum velocity of a 1500.-kg car turning with a radius of 10 meters on a wet concrete road.
What is 7.54 meters per second?
500

What type of opening allows the greatest diffraction?

a small opening

500
Although compasses point to the North Pole, they point this way magnetically.
What is magnetic south?
500
6.63 x 10^(-34) Joule seconds.
What is Planck's constant?