Speed, Velocity, Acceleration

NASCAR fans love race day when they get to cheer on their favorite car! If a racer was able to travel 600 miles in 3 hours, what was their average speed?

• 20mph
• 200mph
• 2mph
• 199.99mph

The fastest car on Earth, a British-made Thrust SSC, would win every NASCAR race in America. If it takes 0.5 hours (30 minutes) to travel 380 miles, what is its speed?

• 760mph
• 12.67mph
• 76mph
• 14.67mph

While playing outside, a kid rolls a ball down a hill. The graph shows the distance the ball traveled from its initial position to where it rolled. What information does the graph give you about the speed of the ball over time?

• The speed of the ball increases at first, and then decreases as time increases.
• The speed of the ball decreases over time.
• The speed of the ball increases over time.
• The ball travels at a constant speed.

The fastest train on Earth, the TGV from France, can travel at faster speeds than trains in the United States. During a speed test, the train traveled 800 miles in 3 hours. What is its speed?

• 27.7 mph
• 300 mph
• 277 mph
• 266.67 mph

Which unit is not used to measure distance?

• miles
• milimeters
• seconds
• kilometers

Spirit of Australia, a hydroplane boat, made speed records by traveling 239 miles in 45 minutes. What is its record-breaking speed?

• 318.67mph
• 318.67mi/min
• 31.8 mph
• 320 mph

An escalator traveled a floor (50 ft) at a speed of 1.7 m/s. What additional information is needed to determine the velocity of the escalator?

• how long the escalator was stationary
• the direction of the escalator
• how many people were on the escalator
• the time it took to get to the top of the escalator

When is the object stationary?

• A-B
• B-C
• C-D
• D-E

A car accelerates from a standstill to 60 km/hr in 10 seconds. What is its acceleration?

• 6 km/hr/s
• 6 km/hr^2
• 3 km/hr/hr
• 6km/hr/hr

A train accelerating at a rate of 2.0km/hr/s. If its initial velocity is 20km/hr, what is its velocity after 30 seconds?

• 40 km/hr
• 60 km/hr
• 80 km/hr
• 100 km/hr