The sparse area surrounding a spiral galaxy is called a

Give an example of how friction can be used and an example of how friction can be harmful

Name 3 ways an object can accelerate.

When you squeeze the rubber bulb of a perfume atomizer how do you change the air pressure at the top of the tube

A uniform stationary ladder of length L = 2.7 m and mass M = 14 kg leans against a smooth vertical wall, while its bottom legs rest on a rough horizontal floor. The coefficient of static friction between floor and ladder is μ = 0.39.

If it is raining it is ok for the driver to operate through lift from inside the vehicle.

M = 10 Kg r = 0,5 m v=2m/s

How did Niels Bohr change the atomic model based on his experimental results?

After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 50.0 cm. She finds that the pendulum makes 100 complete swings in 136 s. What is the value of g on this planet?

When a the irregularities of one surface come into contact with those of another surface, occurs

What type of wave passes through the spring in the frog toy? Why?