if a star 100 light years from earth is beginning to expand into a giant star how long will it take for astronomers to observe this development explain

What do we call patterns in the sky

What is antoine lavoisier conservation of mass equation

What is the S. I. unit of drift velocity and electron mobility?

Why does the moon go through phases?

1. Trial and error is discouraged in science because it wastes time. True False 2. Conduction is the movement of energy from one substance to another by direct contact. True False

Car crosses the first third of the road with unknown speed and the rest of the road with the speed of 50 km/h. What is the the speed in the first third if the average speed of a car is 30km/h?

1. A car speeds up from 10.0 m/s to 45.0 m/s in 4.0 s. What is its acceleration? In your response, show your work, the given and unknown quantities, the equation, and any necessary algebra.

The greater the force exerted by the engine of a car over a set distance, the greater the change in?

How do most complex organisms get their energy?

Which is an si metric unit of measurement that is used to record the heat transfer of a solution in a classroom investigation?