a ship sails a distance of 600 km at a speed of 20km/h.
A) for what amount of time was the ship sailing?
B) is this a scalar quantity or a vector quantity?

A) 30h

B) Scalar quantity

Explanation:

Part A

[Note: v represents speed, d represents distance, and t represents time]

Given:

Required:

Analysis:

Solution:

Statement:

Therefore, the ship was sailing for 30 hours.

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Part B

This is a scalar quantity because time only has magnitude and can never be given direction so it can never be a vector quantity.

the maxium height is 34m/s

54 degrees incident angle = reflected angle

angle is from normal turned to line of ray