If a star has a mass of 80 times greater than the Sun and is orange or red in color, it is likely be classified as ...

A.) white dwarf

B.) main sequence star

C.) giant or supergiant

D.) variable star

What do scientific models predict will happen to Earths oceans if current trends continue unmitigated?

Use of force to move an object over a distance

A taxi hurries for 1 3/4 hours with a constant speed of 84 mph and then for another 1 hour 45 minutes with a constant speed of 24 mph. what is its average speed for the total trip?

Match the statements below. 1. Constant Velocity 2. Constant Acceleration 3. Constant Position A. Object's velocity is not changing. B. Object has zero velocity. C. Object's velocity is increasing by the same amount each second.

A rocket-launching vehicle is moving forward at a constant velocity of 5 m/s. a cannon on the vehicle shoots a shell straight up with a velocity of 20 m/s. the shell moves without friction, (no air resistance). how high does the shell go, in m?

Ari, a young patient who is regularly treated by a psychiatrist, feels compelled to carry out repetitive tasks the same way very frequently. If Ari does not conduct these tasks with extreme precision, he can feel extremely nervous and uncomfortable.

A friend says, "Stars produce energy by a fusion chain reaction of helium into hydrogen." Evaluate the validity of this statement. A) It is an valid statement. Stars produce energy by a fusion chain reaction of hydrogen into helium.

If the mass of a material is 42 grams and the volume of the material is 15 cm^3, what would the density of the material be? answer: Unit:

35. An object of mass m moving at speed v0 strikes an object of mass 2m which had been at rest. The first object bounces backward along its initial path at speed v0.

Calculate the change in the canister pressure when the outside temperature changes from 72 ∘f to 80 ∘ f.