2. The nucleus holds two particles:

a. proton and electron

b. proton and neutron

c. neutron and electron

With only a floor plan to reference, the designer would know what about a window.? -The height of the window -the width of a window -how far the window is off the floor -the size of the window

When the net forces equal 0 N, they are which of the following? A. Balanced B. Unbalanced C. A push D. A pull

Who was the first person to say that earth orbits the sun?

at time t = 0, a 3.0 kg particle with velocity v = (5.0 m/s) i - (6.0 m/s) j is at x = 3.0 m, y = 8.0m. it is pulled by a 7.0 N force in the negative x direction.

Find Density of a cylinder with diameter of 5.0 cm and height of 12.0cm and mass of 600.0g

F an electron fell to a lower orbit or energy level, energy would be A. created. B. emitted. C. absorbed. D. transferred.

Which is the correct order from the closest to the sun to the farthest away from the sun? A. terrestrial planets, asteroid belt, gas planets, Kuiper belt B. gas planets, asteroid belt, terrestrial planets, Kuiper belt C.

Ethylene (C2H4) reacts with oxygen gas to produce carbon dioxide and water. 45.0 grams of ethylene reacts, how many grams of carbon dioxide gas will be produced?

What causes ice to melt and water to boil

A block of mass 3.5 kg slides down a frictionless inclined plane of length 6.4 m that makes an angle of 30 degrees with the horizontal. if the block is released from rest at the top of the incline, what is its speed at the bottom