Smashing Dynamics
Level 4, 2026-06-17
All answers must have a value and units
Metric Distance
cmcentimeterbasic unit of distance
mmeter100 centimeters
kmkilometer1000 meters
Imperial Distance
ininch2.5 centimeters
ftfoot12 inches
mimile5280 feet, 1.6 kilometers
Time
secsecondbasic unit of time
minminute60 seconds
hrhour60 minutes
dayday24 hours
Other
ggravity-10 m/sec/sec
A car travels at 8 centimeters/hour around a rectangle with one side of 3 centimeters and another side of 6 centimeters. How long will the car take to get around the rectangle?
[2]
A bus is dropped into the water and falls for 9 sec until it hits the bottom. The water creates a deceleration of 7 m/sec/sec. How fast will it be going when it hits the bottom?
[1]
What is 2 hours in minutes?
[1]
What is 3day in hr?
[1]
A rabbit is dropped into the water and falls for 3 sec until it hits the bottom. The water creates a deceleration of 5 m/sec/sec. How fast will it be going when it hits the bottom?
[1]
Two rockets blast off with upwards accelerations (not including gravity) of 7 m/sec/sec and 16 m/sec/sec. How much faster will the fastest rocket be going after 3 sec?
[2]
A dog is dropped out of a plane and falls for 8 sec until it hits water. The water creates a deceleration of 6 m/sec/sec and it takes another 7 sec to sink to the bottom. How fast will it be going when it hits the bottom?
[2]
A cat starts at a speed of 3 km/day and increases its speed to 18 km/day in 4 day. What is its acceleration?
[1]
A ball travels at 6 meters/hour around a rectangle with one side of 5 meters and another side of 10 meters. How long will the ball take to get around the rectangle?
[2]
A boat travels at 7 inches/second while a dog travels at 13 inches/second towards it. If they are 7 inches apart, how long will it take for them to meet?
[2]
What is 6km in cm?
[1]
A boat is dropped into the water and falls for 8 sec until it hits the bottom. The water creates a deceleration of 9 m/sec/sec. How fast will it be going when it hits the bottom?
[1]
A person starts at a speed of 8 in/day and increases its speed to 16 in/day in 2 day. What is its acceleration?
[1]
A person traveling at 21 km/day decelerates at 4 km/day/day. How long will it take to stop?
[1]
A rabbit is dropped into the water and falls for 6 min until it hits the bottom. The water creates a deceleration of 8 m/sec/sec. How fast will it be going when it hits the bottom?
[1]