Friction acts in a direction what to the directions of the objects motion

You create a transformer by wrapping wire around an iron nail. The number of turns are: Primary (500); Secondary (2500). The Primary voltage is 3.00 V. The Secondary current is 200 mA.

Use Newton's first law of motion to explain why air bags in cars are important during head-on collisions.

How many bottles of water should you drink in a week

Great Britain required more taxtation from the colonies because of which event?

What is the thermal energy of an object? the total kinetic and potential energies of its partick the total kinetic energy of its particles the total potential energy of its particles its total temperature

How many watt-hours does a 80 watt light bulb use if it runs for 3.5 hours?

A series circuit contains two devices, one with a resistance of 10 ohms and one with a resistance of 4 ohms. If the generator supplies a voltage of 42 V, what is the magnitude of the current? A. 2 A B. 3 A C. 1.75 A D. 1.33 A

What is the relationship between speed and the slopes of the lines on a graph

The basic building blocks of matter are called

A Heavy crate applied a force of 1500 N on a 25m2 piston. What force needs to be applied on a 0.8m2 piston to lift the crate?