An element becomes a positively charged ion when it

loses protons.

loses electrons.

gains electrons.

gains neutrons.

How do you calculate change in position? A. initial position times two B. final position plus initial position C. final position minus initial position D. initial position minus final position

Identify the situations that have an unbalanced force. Check all that apply. A weight speeds up as it falls through the air A garbage can is at rest on the ground A hockey puck moves in a straight line at a constant speed A bumper car hit by another

Three parallel-plate capacitors each store the same amount of charge. Capacitor 1 has a plate area Aand a plate separation d. Capacitor 2 has a plate area 2A and a plate separation d. Capacitor 3 has a plate area A and a plate separation 2d. A.

What are the three pins that may be worn below your name on the ffa jacket?

What does popular sovereignty

Mohammed made a chart to list examples and nonexamples of projectile motion. Which best completes the chart? a - a football thrown in the airb - a kite flying on a stringc - a golf ball rolling off a table d - water spraying from a fountain

Halley's Comet appears around the sun about once every 76 years. It passes through the part of its orbit nearest the sun in just a few months but then moves out to great distances and takes more than half a century for the rest of its orbit.

In order to hike around a portion of Lake Allatoona, a tour guide determines that he must take his group 150 m east, 60 m north, then 75 m west.

Explain what happens to light when it is refracted at the surface of water.

A small car meshes with a large truck in a head-on collision. Which of the following statements concerning the magnitude of the momentum change during the collision is correct? (There could be more than one correct choice.