Why is the formation of sand a physical change

A car traveling 90km/hr is 100m behind a truck traveling 50km/hr. How long will it take the car to reach the truck

Why is density used to determine the identity of matter?

A Venn diagram shows the similarities and the differences of two things. In the area where the two circles overlap, the similarities are placed. Which of these phrases would go in the overlap? Check all that apply. A. Found in the nucleus B.

What force changes when a sky diver's parachute opens? What force stays the same?

Anna bought a tangle fish and two rainbow fish for her aquarium the rainbow fish cost $6 more than the angelfish if she paid a total of $37 what is the cost of the angel fish

Which is the largest and most dense of the terrestrial planets? A. Mercury B. Venus C. Earth D. Mars

What are the laws of physics?

The rectangular plates in a parallel-plate capacitor are 0.063 m * 5.4 m. A distance of 3.5 * 10-5 m separates the plates. The plates are separated by a dielectric made of Teflon, which has a dielectric constant of 2.1.

Your oven has a power rating of 5000 watts. a. How many kilowatts is this?

The amount of gravitational force exerted on each other between two objects depends on their A) mass and distance. B) mass and diameter. C) distance and volume. D) distance and location.