The average weight of americans has increased over the years. what is the average mass of an american male in 2010 degrees (there is approximately 2.2 pounds in one kilogram.

a) 1.1 x 10^-2 kg
b)8.8 x 10^1 kg
c) 2.0 x10^2 kg
d) 4.3 x10^2 kg

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.

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.