Light travels at 300000000m/s. The circumference of the earth is 40075000m. How long would it take light to travel around the earth?

Aregion of space in which a measurable gravitational force is indicated by the force exerted on a test mass is called

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Explain what happens at the saturation point when adding salt to water at room temperature.