A basic observation of a star is how bright it appears. This brightness is known as the star's

A. luminosity.

B. absent magnitude.

C. apparent magnitude.

D. absolute magnitude.

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N

Does the Hawaiian coral reef fish live in the sunlight zone?

A ball is thrown at an angle of 25 degrees to the horizon. The ball has a horizontal velocity component of 12.5 m/s. Find the vertical velocity component of the ball and the magnitude of the actual velocity.

What are 3 main resources from va

Which products rely on the ability of ionic compounds to conduct electricity? check all that apply. papers cell phones soaps glazed pottery remote control toys

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

A 5.1 kg black bear cub weighs 49.98 N. The cub is carried by its mother up into the safety of a white pine tree.

Which location is associated with persistent upwelling of cold water to the ocean surface?

What type of electromagnetic radiation is associated with the peaks in this spectrum chem 237?

Why is it necessary to eliminate absolutely all invasive fire ant colonies to eradicate the invasive population? a. Every colony has a major impact on native flora and fauna. b. Because the last colony found is the one housing the invasion's queen.