What kind of waves require a medium to travel? question 6 options: light waves mechanical waves all waves need a medium to travel electromagnetic waves

Mechanical waves requires a medium to travel.

Option B

Explanation:

The waves might need a medium to travel this is because they need a source to act upon and to get carried away. Mechanical wave is one such wave where for example, consider sound as it needs a medium to travel and propagate. Whereas electromagnetic waves in contrast do not require any medium this is because they are capable of travelling even in vacuum or air.

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.

a cold ice-tea.

pour in room temperature or cold water. cover the pitcher and refrigerate. steep white or green tea for 6 to 8 hours; steep black or oolong tea for 8 to 12 hours.jun 28, 2015