Define wave and state it types.

The electric field that is 0.25m from a small sphere is 450n/c toward the sphere. a. Is the charge positive or negative? Why? b. What is the magnitude of the charge on the sphere?

Why is the crust less dense than the core

A 12 volt car battery is connected to a 3 ohm brake light. What is the current carrying energy to the lights?

What is the total number of atoms in the formula below? NH3 one two three four

Classify the sentences based on whether they describe temperature or thermal energy.

Can someone tell me an Summary of keplers 3rd law?

Which is an example of precipitation? O A. clouds O B. groundwater C. rivers O D. snow

The wavelength of some blue light is 470.0 nm. what is the frequency of this blue light?

When two bodies are charged, the total charge before and after charging remains the same because of: a. quantization of charges c. law of induction b. conservation of charges d. Coulomb's law

Two water balloons of mass 0.75 kg collide and bounce off of each other without breaking. Before the collision, one water balloon moved at a velocity of 3.5 m/s east, while the other moved at a velocity of 2.75 m/s west.