Second Quarter Exam (Reviewer)

La reaches the grocery after traveling 10 km northward. She went back home after, what is her distance in km?

A car travels 15 680 meters at a constant speed of 88.6 m/s. How long does it take for the car to complete its journey in hour? (Express your answer up to 2 decimal places)

Wave 1

• Infrasound

• sonic

• ultrasound

Wave 2

• infrasound

• ultrasound

• sonic

Wave 3

• infrasound

• ultrasound

• sonic

Wave 4

• infrasound

• ultrasound

• sonic

An object traveling in one straight path and goes back to its original position will have a displacement of zero.

• True

• False

A device that can detect either a change in the position of an object is called _______

• motion sickness

• motion detector

• ticker timer

• speedometer

How far can a boat travel in 2.5 h if its average speed is 43 km/h (in km)?

The school elevator operates at a speed of 5.8m/s. If the 5th floor is 4.3 m from the ground, how long (seconds) does it take the elevator to reach the 5th floor from the ground floor?