The engine in a small airplane is specified to have a torque of 500 N⋅m. This engine drives a 1.9-m-long, 40 kg single-blade propeller.

On startup, how long does it take the propeller to reach 2000 rpm?
Express your answer with the appropriate units.

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper.

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.