What two things affect an object’s momentum? a. speed and velocity b. direction and speed c. mass and velocity d. speed and distance traveled

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

Determine the age of a fossil if it had only one eighth of its original carbon-14 content remaining?

There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.