What is an electric current

A wire of length L and cross-sectional area A has resistance R. a) What will be the resistance Rstretched of the wire if it is stretched to twice its original length?

A golf club (mass 0.5kg) hits a golf ball (mass 0.03kg) with a constant force of 25N over a time of 0.02 seconds. What is the magnitude of the impulse delivered to the ball? Select one: o a. 0.05 Ns b. 1250 Ns C. 1.67 x102 Ns d. 12.5Ns o e. 8.

Is there a pattern to the volcano distribution around the plant?

Which statement summarizes the difference between a law and a theory?

HURRY UP Starting with 100 grams of uranium-238, after one half life has gone by, how many grams of uranium-238 will remain? Group of answer choices 50 g 100 g 12.5 g 25 g

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, position velocity, height height, velocity

You are operating a powerboat at night. You see green and white lights on another boat. What should you do?

How does Newton's second law apply to an "Egg Drop" experiment?

A 4.0-n puck is traveling at 3.0 m/s. it strikes an 8.0-n puck, which is stationary. the two pucks stick together. their common final speed is:

What career has to do with one of these listed ... fossil fuels, nuclear energy, biomass, hydropower, solar energy, geothermal energy, or wind energy.