a jet engine generate 160kn force as it propels a 20000kg plane down a run away if 140kn of friction opposes the motion of aplane how much time take for the plane to reach a speed 33m/s from rest ?​

Modify the equation fδt=δ (mv) to find the force of friction.

Which type of wave can travel without a medium

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.