Evaluate the force of a skateboard exerts on you if your mass is 60kg and you push on the skateboard with a force of 60N

Why is the absolute magnitude of some stars greater than their apparent magnitude?

Why is salt water a better conductor of electricity than river water?

What type of radiation dose a nuclear power plant produce

PV System for the Smith Family answers

When a high-mass main sequence star runs out of both hydrogen and helium in its core, the core begins to fuse . When nuclear fusion ends in a high-mass star, the heavy elements formed in the star's core are released through a .

When you drop a pebble from height h, it reaches the ground with kinetic energy k if there is no air resistance. from what height should you drop it so it will reach the ground with twice as much kinetic energy?

Explain two ways that technology has had a positive impact on the environment and two ways that it has had a negative impact on the environment.

A rockets initially at rest, it steady gains speed at a rate of 10m/s^2 for 4.6s during take off. What was the rocket's top speed?

What do you mean by kintic theory of matter

What do u think is the smallest piece that you could break sand into