1. When you drop an object, it’s initial velocity is
________.
2. A rocket, launched straight up, is traveling at ____
when it reaches its maximum height.
3. The slope on a velocity-time grave is the _________.
4. The acceleration due to gravity is ______.
5. Ignoring air, the acceleration of a free-falling feather
_____ that of a free-falling elephant.
Calculate the answers to the following problems.
Assume all directions to be in a straight line.
3) A bike accelerating at 3 m/s2
goes from 10 m/s to 24 m/s.
How far does it go during
this period of acceleration?
d = ________
4) The space shuttle is flying at 84,000 m/s. After
accelerating for 20 s, its speed was up to 120,000 m/s.
What was the acceleration
of the space shuttle?
a = ________
6) A car passes marker X going 10 m/s. Starting
at marker X, it accelerates at a constant rate until it reaches
marker Y.
When it reaches marker Y, it's speed is 60 m/s. It took the car 12
seconds to go from
marker X to
marker Y.
A) What was
the acceleration of the car between markers X & Y? a = ________
B) How far
is it from marker X to marker Y? d = ________
5) A ball is released at the top of a hill. It rolls
down to the bottom of the hill in 8 seconds, reaching a speed
of speed
of 20 m/s.
A) What was
the acceleration of the ball? a = ________
B) How far
did the ball travel? d = ________
1) A car is travelling at 40 m/s. The driver
accelerates at a constant rate of 3 m/s2.
After accelerating
for 10 seconds, what is the speed of the car?
vf = ________
2) Sean drops an egg from the roof of the school.
It takes 6.2 seconds to land on Erica’s head.
How far did the egg drop?
d = ________
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