How many significant figures can come from 12.68

A sports car and a moving van are traveling at a speed of 30 km/h. Which vehicle will be easier to stop? Why?

70. An astronaut in the International Space Station cannot stand on a weighing scale. But an astronaut inside a rotating space station (not yet built) can stand on a weighing scale. Explain. Your answer

Which is faster, light or sound? Explain.

Describe an atomic orbital.

Consider a wave approaching a barrier with a small hole. what change is the wave likely to undergo as it passes through the hole?

Lemonade powder is stirred into water until it dissolves. Which are true statements? Check all that apply. A. Lemonade is the solute. B. Water is the solvent. C. Lemonade is the solvent. D. Water is the solute.

Nikolas, the fire extinguisher, and the skateboard have a combined mass of 50 kg. What force would the fire extinguisher have to produce to propel Nikolas if he wanted to accelerate at a rate of 1.

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?