How can eclipsing binary stars be identified?

They are brighter than any single stars.

They are cool red stars.

They are all white dwarfs.

They become dimmer at regular intervals.

At exactly the same time, Daisy and Damond both step off a diving platform 5 meters high. Damond jumps up and out from the platform, whereas Daisy just just takes a step from a standing position. Which of the following is true? A.

According to Boyles' law, PV = constant. If a graph is plotted with the pressure P against the volume V, the graph would be a (n) : Question 2 options: A. straight line B. parabola C. hyperbola D. ellipse

Imagine how mercury might be different if it had the same mass as earth. Explain.

Why do soilds have a fixed shape while liquids and gas do not

An astronaut is in space with a baseball and a bowling ball. The astronaut pushes both objects in the same direction. If both balls are traveling at the same speed, does the baseball have the same momentum as the bowling ball?

A swimming pool has the dimensions of 10 meters, 5 meters, and 1 meter. What is the pool's volume? 50 m 50 m3 50 m2 25 m3

A child pushes horizontally on a box of mass m which moves with constant speed v across a horizontal floor. The coefficient of friction between the box and the floor is μ. At what rate does the child do work on the box?

What two qauntities must be known to calculate the density of a sample of matter

An element's atomic number is 38. How many protons would an atom of this element have?

What's are some forms of chemical energy