Speed, Velocity, and Acceleration

The distance between an object and a reference point is the object's _____.

• displacement
• acceleration
• velocity
• distance

At 8:00 AM you leave home and walk 0.5 km to a friend's house. At 11:30 AM you return home, then travel by car to the mall, which is 10 km away, and arrive at 11:45 AM. What is the total distance traveled?

• 15 km
• 12 km
• 8 km
• 11 km

What is the equation for momentum?

• p = ma
• p = m/a

• p = m/v

• p = mv

Tags

NGSS.HS-PS2-2

Earth's _____ causes projectiles to follow a curved path.

• GRAVITY
• ROTATION
• ATMOSPHERE
• MAGNETISM

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Average speed is found by _____.

• subtracting the total distance traveled from the total time taken to travel that distance
• adding the total distance traveled and the total time taken to travel that distance
• dividing the total distance traveled by the total time taken to travel that distance
• multiplying the total distance traveled by the total time taken to travel that distance

_____ is the speed of an object at any instant of time.

• Constant speed
• Instantaneous speed
• Average speed
• Maximum speed

The direction and speed of an object is described by its _____.

• Average Displacement

• Velocity vector
• Average Speed

• Displacement

If a runner maintains a constant speed of 12 m/h, how long will it take to complete a marathon race of 26.2 kilometers?

• 81.41 minutes
• 75.5 minutes
• 120 minutes
• 93.75 minutes

Bill ran 10.5 km in 32 min. What is Bill's average running speed?

• 0.5 km/min

• 0.75 km/min

• 0.215625 km/min

• 0.328125 km/min

If an object has a constant velocity, then it _____.

• is positively accelerating

• has a negative acceleration

• is at rest
• is not accelerating