Is the formation of rust on an iron nail a chemical change or a physical change?

Which statement is NOT true? Light travels with or without a medium Light travels faster than sound Sound must have a medium to travel through Both light and sound must have a medium to travel through

A driver has a reaction time of 0.50s, and the maximum deceleration of her car is 6.0m/s2. She is driving at 20m/s when suddenly she sees an obstacle in the road 50m in front of her. Can she stop the car in time to avoid the collision?

If vector A = 5.5N NE and vector B = 10m N 30° W, what is the vector product of A*B

What is the relationship between the cells function and human illness?

What are basic physical quantities and it's measurement units? Make a chart.

On September 8, 2004, the genesis spacecraft crashed in Utah desert because it's parachute did not open. The 210-kg capsule hit the ground at 311 km/h and penetrated the soil to a depth of 81.0 cm.

How would the composition of an atom change if both the atomic number and mass number each increase by one? A) The atom would have 1 more neutron. B) The atom would have one more proton and electron.

Water flows over a section of Niagara Falls at a rate of 1.2 * 106 kg/s and falls 29 m. The acceleration of gravity is 9.8 m/s 2. How many 80 W bulbs can be lit with this power?

Pick a common happening, develop an explanation for it, and describe an experiment you could perform to test your explanation.

dopasuj wartości pracy z ramki do przedstawionych sytuacji a następnie wyraź tę pracę w dżulach uwaga jedna wartość pracy nie będzie pasowała do żadnej sytuacji