SPEED
VELOCITY (& more Speed)
ACCELERATION
FREE FALL
NEWTON's
100
The average speed when traveling 200 Km in 4 hours
What is 50 kph
100
If you make 25 mph average from here to Leesburg. What is your velocity? (take note of the compass!)
What is 25 mph West (or North-West)
100
Acceleration is the change of _______________ over a period of time
What is VELOCITY
100
Calculate the instantaneous speed of an apple that fall freely and accelerates at 10 m/s/s for 1.5 seconds
What is 15 m/s
100
What type of apple did Newton see fall?
What is Mckintosh, of course! (Gala and Fiji did not exist)
200
The distance you travel when you go an average of 50 Kph in 2 and a half hours
What is 125 Km
200
If you travel 50 mph North and then 25 mph East. What is the resulting direction of the vector that represents your trip?
What is North-East
200
The magnitude of the acceleration produced by gravity on earth.
What is 9.8 m/s2 (or 10 m/s/s)
200
A skydiver steps from a high-flying helicopter. In the absence of air resistance, how fast would she be falling at the end of a 12 second jump.
What is V final= 120 m/s/s
200
You apply a force to a 10 Kg mass and it starts accelerating 1 m/s/s. According to Newton's second, how would you change your force to make the mass accelerate 3 m/s/s.
What is TRIPLED
300
The time that will take you to cover 900 miles to Florida if you do, in average, 45 miles per hour
What is 20 hours
300
If you travel 50 mph North and the wind blows 5 mph South, what is your resulting Velocity? a) 55 mph N b) 55 mph S c) 50 mph S d) 50 mph N.
What is 50 mph North, of corth...
300
If your speed changes from 30 m/s to 50 m/s in 5 seconds, your acceleration is
What is 4 m/s/s
300
An apple falls from a tree and hits the ground in 5 sec. Calculate how far it falls.
What is 125 m.
300
What net force does a sliding crate experience when you exert a force of 110N and friction between the crate and the floor is 100N.
What is 10N
400
You went from 35 to 75 mph in an interval of 30 minutes, What was your average speed?
What is 80 mph
400
Calculate the average speed of a cheetah that runs 140 meters in 5 seconds
What is 28 m/s
400
What is the acceleration of a car that maintains a constant velocity of 100 km/h for half hour
What is ZERO
400
You toss a ball straight up with an initial speed of 30 m/s. How long is in the air?
What is 3 seconds
400
You push a crate with a force of 100N and it starts sliding at constant velocity. What is the friction force?
What is 100N (Equilibirum!)
500
You traveled 48 miles to Baltimore from DC in 1.5 hours. Right at the merge with I-95 your speed was 45 mph. What was your instantaneous speed at merging?
What is 45 mph
500
Calculate the instantaneous speed (in m/s) at the 10-second mark for a car that accelerates 2 m/s/s.
What is 20 m/s
500
Calculate the speed (in m/s) of a skateboarder who accelerated from rest for 3 seconds down a ramp at an acceleration of 5 m/s/s
What is 15 m/s
500
On a distant planet, a freely falling object has an acceleration of 20 m/s/s. Calculate the speed that an object dropped from rest on this planet acquires in 5 seconds
What is 500 m/s
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