Which objects reflects light with the longest wavelength

Which statement is correct

What do scientists study to figure out how long it takes the Sun to make one rotation on its axis? A. flares B. auroras C. sunspots D. prominences

Which scientist is not known for his work with electricity? A. Edison B. Franklin C. Van de Graaff D. All of these people contributed to our understanding of electricity.

If you can hit a golf ball 230 m on Earth, how far can you hit it on the Moon?

A graduated cylinder contains 63.0 mL of water. A piece of gold, which has a density of 19.3 g / cm3, is added to the water and the volume goes up to 64.5 mL. Calculate the mass in grams of the gold that was added to the water.

If the mass of a material is 48 grams and the volume of the material is 8 cm^3, what would the density of the material be?

Your family is moving to a new house. While lifting the box 1.5 m straight up you exerted a force of 200 N for 1 second. How much work is required?

Which best describes oil and water

Both the electrical force and the gravitational force between two objects share which relationship? They are directly proportional to mass. They are inversely proportional to the square of the distance. They are inversely proportional to charge.

During a baseball game, a player hits a a ball with a speed of 43m/s at an angle of 25∘ above the horizontal. When the player hit the ball, it was 1m above the ground, and after the hit, the ball flies straight toward the center field fence.