Suppose two stars are located in region a of the h-r diagram shown in the figure below. Star X appears much dimmer that Star Y as seen from Earth. Which Star can be inferred to be nearer to Earth, and how do you know?

The S I unit of measurement for weight is the what

Driver a is cruising along enjoying the fall colors. driver b starts her car at the instant he passes her. their velocities are shown as functions of time in the graph below. at what instants in time on the graph are drivers a and b side by side?

A car travels on the entrance ramp to a freeway as it accelerates from 30 mph to the freeway speed of 70 mph for 4.0 s. Suppose that the car moves with the constant acceleration.

Emission nebulae radiate mainly in the ultraviolet part of the electromagnetic spectrum. True False

When you are noting the results of your decision, you will?

You have a neutral balloon. What is its charge after 12000 electrons have been removed from it? The elemental charge is 1.6 * 10-19 C. Answer in units of µC.

Which formula can be used to find the x-component of the resultant vector?

How could the action force of a canoe moving through water be increased

Why does the value of your bond decrease when interest rates increase?

Your're sailing a boat from spain west to florida. which winds would you use?