The dog has a momentum of 60 kilogram meters per second west. the dog has a velocity of 3 meters per second west. what is the mass of the dog?

The bones of the middle ear cause the to vibrate and change the sound into signals.

Where does the USA get most of it's steel?

A ball is dropped from rest at height of 20m. If it loses 25% of its kinetic energy when it strikes the ground. What is the height to which it bounces?

Two strips of material, A and B, are identical, except that they have emissivities of 0.4 and 0.6, respectively. The strips are heated to the same temperature and have a red glow.

A bottle rocket takes off with a = 34.5 m/s2. It fires until it reaches a height of 200 m, then shuts off, and gravity takes over. How much time does it take to reach its maximum height? (Unit = s)

Which statements about eclipses are true? Check all that apply. Earth's shadow creates a solar eclipse. A total lunar eclipse has a reddish color. The moon moves between Earth and the Sun during a solar eclipse.

Who would use more energy in a day - someone who plays a lot of sport or someone who plays a lot of computer games

If you know the wavelength of any form of electromagnetic radiation, you can determine its frequency because?

What are the relationships of the different types of matter, mass, and the change in the average kinetic energy of particles?

A steamboat moves with velocity components of 6 km/hr along the x direction and 8 km/hr along the y direction. what is the direction of the steamboat with respect to the x axis?