Egg Drop. You are on the the physics building, 46.0 m ne ground (Fig. P2.70). Your professor, who is 1.80 m tall, ng alongside the building at nt speed of 1.20 m/s. If you drop an egg on your profes- ad, where should the profes- when you release the egg? F

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Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 2.13OQ: A student at the top of a building of height h throws one ball upward with a speed of i and then...
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Please answer 2.70
2.70 • Egg Drop. You are on the
roof of the physics building, 46.0 m
above the ground (Fig. P2.70). Your
physics professor, who is 1.80 m tall,
is walking alongside the building at
a constant speed of 1.20 m/s. If you
wish to drop an egg on your profes-
sor's head, where should the profes-
sor be when you release the egg?
Figure P2.70
46,0 m
Assume that the egg is in free fall.
2.71 •• CALC The acceleration
v = 1.20 m/s
of a particle is given by a(t) =
-2.00 m/s² + (3.00 m/s³)t.
(a)
1,80 m '
Find the initial velocity vor such that
the particle will have the same x-
coordinate at t = 4.00 s as it had at
Transcribed Image Text:2.70 • Egg Drop. You are on the roof of the physics building, 46.0 m above the ground (Fig. P2.70). Your physics professor, who is 1.80 m tall, is walking alongside the building at a constant speed of 1.20 m/s. If you wish to drop an egg on your profes- sor's head, where should the profes- sor be when you release the egg? Figure P2.70 46,0 m Assume that the egg is in free fall. 2.71 •• CALC The acceleration v = 1.20 m/s of a particle is given by a(t) = -2.00 m/s² + (3.00 m/s³)t. (a) 1,80 m ' Find the initial velocity vor such that the particle will have the same x- coordinate at t = 4.00 s as it had at
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