Smashing Dynamics
Level 4, 2025-09-17
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 cheetah travels at 8 kilometers/minute for 2 minutes then at 8 kilometers/minute for 6 minutes. How far did it go?
[2]
A rabbit is dropped into the water and falls for 6 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]
A tiger is dropped out of a plane and falls unitil it hits the ground. If its speed is 160 m/sec when it hits the ground, how long did the fall take?
[1]
A car traveling at 26 mi/min decelerates at 3 mi/min/min. How long will it take to stop?
[1]
A bus is dropped out of a plane and falls unitil it hits the ground. If its speed is 51 m/sec when it hits the ground, how long did the fall take?
[1]
Planet X has gravity that is twice the gravity on Earth. If a cat is dropped for 2 min on Planet X, how fast will it be going?
[1]
Two rockets blast off with upwards accelerations (not including gravity) of 18 m/sec/sec and 15 m/sec/sec. How much faster will the fastest rocket be going after 7 sec?
[2]
A dog is dropped out of a plane and falls for 7 min until it hits the ground. How fast will it be going when it hits the ground?
[1]
A cube travels at 8 feet/second while a rabbit is 3 feet behind traveling at 14 feet/second. How long will the rabbit take to catch up to the cube?
[2]
Two rockets blast off with upwards accelerations (not including gravity) of 18 m/sec/sec and 18 m/sec/sec. How much faster will the fastest rocket be going after 9 sec?
[2]
A scooter accelerates at 2 mi/min/min. How long will it take to get to a speed of 16 mi/min?
[1]
A cat traveling at 3 ft/day stops in 3 day. What is its acceleration?
[1]
A cube travels at 8 feet/hour around a rectangle with one side of 3 feet and another side of 11 feet. How long will the cube take to get around the rectangle?
[2]
A dog travels at 13 feet/second while a bike travels at 2 feet/second. If the race track is 91 feet long, what distance will the dog win by?
[2]