Question1a swan on a lake gets airborne by flapping its

Reference no: EM13349912

Question1

A swan on a lake gets airborne by flapping its wings and running on top of water.

(a) If swan have to reach a velocity of 6.00 m/s to take off and it accelerates from rest at the average rate of 0.350 m/s2, how far will it travel before becoming airborne?

(b) How long does this take?

Question2

A 140 kg wrestler and a 90 kg wrestler try to push each other backwards out o the ring. At first they are motionless as they push; then large wrestler moves the other one backwards. Compare the forces they exert on each other.

a. forces are always equal

b. larger wrestler always exerts a larger force.

c. When they are motionless, forces are equal; they start to move when the large wrestler exerts a larger force on his opponent than his opponent exerts back on him.

Reference no: EM13349912

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