Johannes kepler discovered the laws that bear his name by analyzing the observational data of which astronomer?
a. tycho brahe
b. galileo galilei
c. sir isaac newton
d. nicolaus copernicus

Since the investigative question has two variables, you need to focus on each one separately. thinking only about the first part of the question, mass, what might be a hypothesis that would illustrate the relationship between mass and kinetic energy? use the format of "if…then…because…” when writing your hypothesis.

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?