Physics Questions

True or false. Motion is a change in direction. If false change direction to a word that makes it true
1 Answers
The main difference between speed and velocity involves A. gravity.B. distance.C. weight.D. direction.
2 Answers
A resistor in a circuit dissipates energy at a rate of 1 W. If the voltage across the resistor is doubled, what will be the new rate of energy dissipation?
1 Answers
In which of the following situations would the least work have been done?A. A 100-N force lifts an object 3 m.B. A 250-N force moves an object 1 m.C. A 25-N force moves an object 8 m.D. A 600-N force is applied to an object and moves it 0 m.
1 Answers
What is the new weight of a 10kg object on a planet that has twice the earths mass. (assume that the radius of the planet is the same as earths)
1 Answers
A car climbs 10.0 kilometers up a hill that inclines 8.0 degrees. What is the car's vertical displacement?
1 Answers
What two things do you need to know to describe the velocity of an object?
2 Answers
Current is constant at all points in a parallel circuit
1 Answers
If an object is NOT accelerating, then one knows for sure that it is ___.A. at restB. moving with a constant speedC. slowing downD. maintaining a constant velocity
2 Answers
Do I have to be good at math to be a physicist?
1 Answers
Which two particles in an atom are equal in number
2 Answers
Explain why a golf ball is heavier than a table-tennis ball even though the balls are the same size?
2 Answers
Is it possible for an object's weight to change while its mass remains constant? Explain
1 Answers
What are non-examples of speed?
2 Answers
A bicycle travels 15 km in 30 minutes. What it's is average speed in km per hour
2 Answers
Frost wedging in a sentence
1 Answers
Oxidation in a sentence
1 Answers
A car travels 15 kilometers west in 10 minutes. After reaching the destination, the car travels back to the starting point, again taking 5 minutes. What is the average velocity of the car?A. 0 meters/secondsB. 1.0 meters/secondsC. 1.5 meters/secondsD. 2.0 meters/seconds
1 Answers