Smashing Dynamics
Level 4, 2024-11-25
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 boat traveling at 9 m/sec stops in 8 sec. What is its acceleration?
[1]
A bus is dropped out of a plane and falls unitil it hits the ground. If its speed is 119 m/sec when it hits the ground, how long did the fall take?
[1]
Two rockets blast off with upwards accelerations (not including gravity) of 10 m/sec/sec and 14 m/sec/sec. How much faster will the fastest rocket be going after 6 min?
[2]
A boat travels at 5 meters/minute around a rectangle with one side of 2 meters and another side of 3 meters. How long will the boat take to get around the rectangle?
[2]
A dog travels at 6 kilometers/hour around a equilateral triangle with a side of 3 kilometers. How long will the dog take to get around the equilateral triangle?
[2]
A person traveling at 16 ft/day decelerates at 9 ft/day/day. How long will it take to stop?
[1]
A bike traveling at 13 mi/day decelerates at 6 mi/day/day. How long will it take to stop?
[1]
A person is dropped out of a plane and falls for 3 sec until it hits water. The water creates a deceleration of 6 m/sec/sec and it takes another 26 sec to sink to the bottom. How fast will it be going when it hits the bottom?
[2]
What is 2mi in km?
[1]
A boat traveling at 8 mi/day stops in 6 day. What is its acceleration?
[1]
A boat accelerates at 4 ft/min/min for 3 min. How fast is it going?
[1]
What is 2 secs in hrs?
[1]
A bus travels at 3 miles/hour for 8 hours then at 3 miles/hour for 2 hours. How far did it go?
[2]
A kid is dropped into the water and falls for 3 min 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]
A rocket blasts off with an upwards acceleration (not including gravity) of 15 m/sec/sec. How fast will it be going after 7 sec?
[1]