Smashing Dynamics
Level 4, 2026-08-12
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 rabbit accelerates at 6 mi/sec/sec for 4 sec. How fast is it going?
[1]
A rabbit accelerates at 6 in/min/min. How long will it take to get to a speed of 32 in/min?
[1]
Planet X has gravity that is one fifth the gravity on Earth. If a bike is dropped for 9 sec on Planet X, how fast will it be going?
[1]
A train traveling at 4 in/hr stops in 6 hr. What is its acceleration?
[1]
A rabbit travels at 6 kilometers/second around a rectangle with one side of 4 kilometers and another side of 5 kilometers. How long will the rabbit take to get around the rectangle?
[2]
A boat travels at 8 centimeters/hour around a equilateral triangle with a side of 4 centimeters. How long will the boat take to get around the equilateral triangle?
[2]
What is 2mi in km?
[1]
A tiger accelerates at 4 cm/day/day. How long will it take to get to a speed of 4 cm/day?
[1]
A rocket blasts off with an upwards acceleration (not including gravity) of 9 m/sec/sec. How fast will it be going after 3 min?
[1]
Two rockets blast off with upwards accelerations (not including gravity) of 11 m/sec/sec and 17 m/sec/sec. How much faster will the fastest rocket be going after 5 sec?
[2]
A cat travels at 3 centimeters/minute while a cube is 2 centimeters behind traveling at 11 centimeters/minute. How long will the cube take to catch up to the cat?
[2]
A door is closing in 2 minutes. How fast do you need to travel to get through the door if you are 6 centimeters away?
[1]
A kid is dropped out of a plane and falls for 2 min until it hits water. The water creates a deceleration of 6 m/sec/sec and it takes another 10 min to sink to the bottom. How fast will it be going when it hits the bottom?
[2]
A cat travels at 6 miles per minute for 20 minutes. How far will the cat travel?
[1]
A cube is dropped out of a plane and falls unitil it hits the ground. If its speed is 153 m/sec when it hits the ground, how long did the fall take?
[1]