Which types of galaxies tend to be made up of very old stars and contain very little gas and dust matter?

A hockey puck slides on the ice and eventually stops. How would Newton interpret this behavior?

What kind of energy do all moving objects have

Light is an example of a mechanical wave in nature? true or false

Cual es el cateto opuesto AB?

Identify which Atoms would a penny have

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.

A bus travels 20 KM and 30 minutes what is average speed of the bus

What is the total number of atoms in the following formula? CaBr2

A lifeguard on a beach observes that waves have a speed of 7 m/s and a distance of 4.6m between wave crests. what is the period of the wave motion?