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Speed/distance/time
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Multiple Choice
Time = Distance/Speed
definitions
100

If Kelly drove her motorboat a distance of 1000 m in 7 s, how fast was her boat moving?

 142.8 m/s

100

What is the formula for Newton's second law?

F = m/a

100

If you jog for 1 hour and travel 10 km, 10 km/h describes your _____. a.Average speed b.Velocity c.Displacement

a. Average speed

100
If a car moves with an average speed of 60 km/hr for an hour. How far did the car travel in that hour?
60 km
100

What does SI stand for?

International system of units

200

Tim runs at 8m/s for 12 seconds , how far did he run?

96m

200

A car travels at 20m/s for 30 sec how far did it go?

600 m

200

Speed is described in units of ______. a.Seconds and minutes b.Meters and Kilometers c.Distance and time

c.Distance and time

200

If a boat traveled 40 km/sec, how much time would it take to travel 80 km?

What is 2 hours

200

What is velocity?

Speed and direction

300

What is the difference between distance and displacement?

Distance is the total path length covered by an object (a scalar), while displacement is the straight-line distance and direction from start to finish (a vector)

300

A biker travels at 15m/s for 4s how far did it travel?

60 m

300

Will an object's weight be the same on Mars as it is on Earth?

No, only mass remains the same. Weight will depend upon the value of gravity on Mars

300
If a pitcher threw a fastball at 9 m/s, how long would it take the ball to travel 90 m?
What is 10 seconds
300

What is speed?

The distance an object travels per unit of time.

400

What is Newton's first law?

An object at rest stays at rest, and an object in motion remains in motion at a constant speed and in a straight line unless acted upon by an unbalanced force.

400

If a ball traveled at the average speed of 4m/s, how far would it travel in 20 seconds?

80 m

400

The SI unit for measuring distance is____. 

a.Meters 

b.m/s 

c.miles

a.Meters

400
You ride your bike for 5 km, how long would it take if you were traveling a 2km/hour?
What is 2.5 hours
400

A change in velocity is called?

Acceleration

500

If a car travels 40 km in 3 hours what is its average speed?

13.3 km/hr

500

If a car moves with an average speed of 60 km/hr. How far will it travel if it continues this average rate for 4 hrs?

240 km

500

In the context of the swimming carnival, give an example of Newton's third law......

A swimmer pushing the water backwards, and the water pushes the swimmer forwards. 

Or, at the beginning of a race, the swimmer exerts a force on the wall, and the wall pushes the swimmer forward. 

Other appropriate examples will be awarded

500
A bullet is shot from a rifle with a speed of 720 m/s. What time is required for the bullet to strike a target 3240 m away?
What is 4.5 s.
500

What is the difference between displacement and distance?

Distance is the path that something traveled but displacement is the direct route to the ending point.