Name the following ionic bonds.

a. CaS:

b. KO:

c. NaCl:

d. MgBr2 :

A black hole can be considered a star that has ... formed new stars collapsed into itself changed into a brighter star disintegrated into stellar dust

Calculate the kinetic energy of a motorcycle of mass 60kg travelling at a velocity of 40km/h

Calculate the potential difference two charges when 6 joules of energy is needed to bring a charge of 0.01C close to the other charge.

What is the relationship between speed and instantaneous velocity? a) Speed is the magnitude of velocity b) Speed is the direction of velocity c) There is no relationship

If an airplane travels a distance of 500 km in 5 hours, what is its average speed?

Think Critically: A lightbulb converts 10 percent of the electrical energy it uses into radiant energy. Make a hypothesis about the other form of energy produced.

4) A satellite is in orbit around the earth. Which one feels the greater force? A) It depends on the distance of the satellite from Earth.

Meteoroids usually come from?

An astronomer sees two stars in the sky. Both stars are equally far from Earth, but the first star is brighter than the second star. Which of the following is a valid conclusion about the first star? It is larger than the second star.

Crane lifts a 1,052 kg car. What force in Newtons must the crane apply to the car to lift it?