In 6 seconds, a total of 3 waves crash onto the shore of a beach. The distance between each wave crest on the water is 8 meters. Find the: Wavelength
Period
Frequency
Wave Speed v=d/t.

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.