speed, distance, and time

What is speed?

• an object's overall change in position (start to end)

• how much ground an object has covered during its motion

• how fast an object is moving

• how long it takes an object to move from start to end

Tags

NGSS.MS-PS3-1

What is the equation to calculate speed?

• speed = time ÷ distance

• speed = distance ÷ time

• speed = distance × time

• speed = distance × velocity

Tags

NGSS.MS-PS3-1

What is the equation to calculate time?

• time = speed ÷ distance

• time = distance ÷ speed

• time = speed × distance

• time = distance × speed

Bruno sprinted down the hallway for a science project. He ran a total of 40 meters in 20 seconds. What was his average speed?

• 2 meters per second

• 20 meters per second

• 40 meters per second

• 10 meters for second

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

A runners races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?

• 10 m/s
• 1000 m/s
• 100 seconds
• 10 seconds

Which of the following is a unit of speed ?

• sec
• mi
• m/s
• min

Which of the following is a unit of time?

• sec
• mi
• m/s
• km

Calculate the distance (in miles) that Daniel bikes if he maintains an average speed of 26 miles/hr for 7 hours

• 33 miles
• 3.71 miles
• 182 miles
• 676 miles

A racecar can travel 500 miles at a speed of 125 miles per hour.  At this speed, how long will it take the racecar to complete the 500 mile race?

• 405 minutes
• 3 days
• 4 hours
• 40 miles per hour