When a wire with a current is placed in a magnetic field, electrical energy is transformed into mechanical energy. true or false.?

which of the following refers to the motion of an object falling straight down with only the force of gravity acting on it

Which is NOT a "big idea" involving force and motion? a) a force acting on an object in motion causes it to stop moving b) a force acting on an object in motion causes it to change its motion c) a force action on an object at rest causes it to

A compact car with a mass of 725 kg is moving at 30 m/s. What is its momentum?

Which of the following properties could be described as a force that pushes charges along? A) charge B) current C) voltage D) resistance

Thermodynamics is the study of the relationship between thermal energy and mass. other forms of energy. types of engines. temperature.

Why are galaxies visible

I hockey puck slides across an ice rink more easily than it does across a rough concrete surface why is this

Sodium-22 Sodium-25 # of protons # of neutrons # of electrons

As the particles of a solid undergo sublimation, they A: lose energy B: move closer to one another C: change temperature D: move farther apart from one another

the math club must order 35 new uniform shirts. There are 5 more girls than twice the number of boys in the club. How many of each uniform type should the club order