Motion, Speed, Acceleration test

Velocity includes what and what?

• speed over time

• speed and acceleration

• Speed and direction

• Mass and motion

Paul was running late to school, which was 300 meters from his house. He had 5 minutes to get to school before the bell rang. What was his speed?

• A.1,500 meters

• 1,500 meters per second

• 60 meters

• 65 meters per second

Homer was riding his bike at 250 meters/minute. After being chased by a dog for 2 minutes, he sped up and traveled 300 meters/minute. What was his acceleration?

• 45 meters/minute²

• 25 meters/minute²

• -50 meters/minute²

• 160 meters/minute²

What is the formula to calculate velocity?

• a.Time x distance

• Distance – time

• Time + distance

• Distance / time

______________________ is speed with direction

• Speed

• Velocity

• Acceleration

• Force

Speed equals distance divided by ____.

• time

• velocity

• size

• motion

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Tags

NGSS.MS-PS3-1

How far will a person go if they jog for 2 hours at a speed of 12 km/hr?

• 6 km
• 0.5 km
• 10 km
• 24 km

When a car goes around a corner at 20 mph, why do we say it accelerates?

• The car is accelerating because of the velocity is constant

• The car accelerates because it's going 20 mph

• Cars always accelerate when they are in motion

• The car is accelerating because it's changing direction

A truck slowing down to stop at a red light is an example of ____.

• Speed

• Velocity

• Acceleration

• Direction

Tags

NGSS.MS-PS2-2