a car acceleration from rest to 90km/h in 10 seconds. what is its acceleration in meter per second square?​

The gravitational force between two objects is 1600 and what will be the gravitational force between the objects if the distance between them doubles?

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

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.