Physics Questions
Explore questions in the Physics category that you can ask Spark.E!
In an electric motor. current is reversed every complete turn
The strength of a magnetic field is measured in
When two parallel wires carry currents in opposite directions, their magnetic fields attract each other.
The direction of Earth's magnetic field is toward the
The speed of an electric motor can be controlled by varying the current flow.
Increasing the number of loops in an electromagnet causes the strength of the magnetic field to
the magnetic force on a current-carrying wire in a magnetic field is ---- the direction of the current
an electron in an atom can be described as a
Welche Spannung verwendet man bei der Langstreckenübertragung von elektrischer Energie. Erkläre, warum ausgerechnet diese Art der Spannung dazu verwendet wird.
If you rise 3 meters above the zero line when you are swinging, what will be your velocity when you get to the bottom of your path?
If a satellite has a mass of 2015 Kg and is a total distance of 7.0X10^6m above the center of the earth, what is the FORCE of gravity activing on it? Remember that earth has a mass of 5.98x10^24Kg.
What is the integral of a velocity vs. time graph?
If you have a mass of 50Kg and you climb to the top of a 50 meter roller coaster, how much gravitational potential energy is stored in you?PE=mgh
If you and your bicycle have a mass of 75Kg and you are travelling at 10m/s, how much kinetic energy (KE) do you have?
How many children die from contaminated water each year?
What are 4 ways people can drink clean and safe water?
Who discovered what it means to orbit?
If you place a 10NF(Newton Force) on a 10kg Object, what would the Acceleration be?
True of False: Galileo proved that all things fall with the same rate of acceleration when he droppeditems of different mass off of the Leaning Tower of Pisa
If you looked at a position vs. time graph of someone going a constant velocity, what would that look like?