Which unit do astronomers use for angular measurement?

A. parallax

B. arcsecond

C. parsec

D. light-year

The cooled lava pools on the surface of a crater are called what? 1. Craters 2. Terrae 3. Maria 4. Reoglith

Elena makes a table to organize the functions of electric motor components. Which functions belong in the cells marked X and Y? component function brush X commutator Y A.

True or false: the phrase"crystal structure" refers to the repeating patterns in which atoms are arranged in a crystal

An electron is traveling through a uniform electric field. The field is constant and given by E⃗ = (2.00*10-11N/C) i^ - (1.20*10-11N/C) j^. At t=0, the electron is at the origin and traveling in the x direction with a speed of 2.10 m/s.

If you push down a table with a force of 5 newtons, what is the normal force pushing back on you

Two atoms that are isotopes of one another must have a different number of what? electrons neutrons protons all particles

How can you use the newton's second law to find force?

Define and describe a mixture using examples.

Which have a positive charge? neutrons atoms protons electrons

Now that we know the velocity of the cart before the collision is 1.80m/s, let's use this to determine the linear momentum and kinetic energy of the disk-cart system before the collision. The mass of the cart is 23.5kg. The mass of the disk is 11.