What does an astronomer mean by "the universe"

An unbalanced force can cause an object to change its speed and/or

You and two of your friends go to the movies. Each ticket cost $7.50. You share the cost of the popcorn. If each person pays $9.05, how much was the popcorn?

Why there are electric vehicles in the world

What are materials used in photosynthesis?

How is reflection of light used in research

Which of the following do not involve a direction? Check all that apply. A. Time B. Velocity C. Distance D. Acceleration

What does deltaX mean in physics?

Which activity involves using fossil fuels directly or indirectly? 1) eating fresh fruit for a snack 2) cooking hot dogs on a campfire 3) using crayons to color 4) walking to school

Which of the following objects would have the most inertia? A. A sphere with a radius of 5 cm and a mass of 34 grams. B. A sphere with a radius of 4 cm and a mass of 15 grams. C. A sphere with a radius of 8 cm and a mass of 27 grams. D.

A boy slides a book across the floor using a force of five and over a distance of 2M what is the kinetic energy of the book after he slides at assume there is no friction