Between a substance and a mixture.

Consider a neutral atom with 30 protons and 34 neutrons. The mass number for this atom is Consider a neutral atom with 30 protons and 34 neutrons. The mass number for this atom is a. 30. b. 34. c. 64. d. 94. e. 32.

Water flows horizontally through a garden hose with an inner diameter of. 012 m at a speed of 7.8 m/s. it exits out a small nozzle with a diameter of only 0.0085 m. how fast it is travelling out of the nozzle?

A cartoon plane with four engines can accelerate at 8.9 meters per second squared

The instantaneous velocity of an object is the blank of the object with a blank

15cm3 block of gold weighs 2.8N it is carefully submerged in a tank of mercury. one cm3 of mercury weight 0.!3n a will the mercury be displaced by the gold?

What is the mass in kg of a leopard in a tree if the tree branch is 36 m up and the leopard's gravitational potential energy is 29988 J?

Venus's average distance from the sun is 0.72 AU and Saturn's is 9.54 AU. Calculate the orbital velocity of Venus and Saturn around the sun. (The mass of the sun is 1.99 X 10^30 KG. an AU is 1.50 X 10^11 M.

Caleb's parent drove him to a swim meet 208 km away. It took them 2 hours, which included a 15-minute break to refuel. What was their average driving speed?

Why is thermal energy from the Sun transferred to Earth through electromagnetic waves instead of any other type of thermal energy transfer? Electromagnetic waves can carry energy through matter. Electromagnetic waves can travel through empty space.

Why do different elements emit different colors of light