If you travel 450 meters in 40 seconds, what is your average speed in meters per second?

A)11.25
B)40
C)450
D)18000

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?