Asked by Anonymous
A 400g lemming waddles horizontally off a small 4.9m high cliff with a horizontal
velocity of 0.5m/s.
a. How far from the base of the cliff will the lemming land?
b. What will be the lemmings speed just before landing?
c. What is the lemmings kinetic energy just before landing?
velocity of 0.5m/s.
a. How far from the base of the cliff will the lemming land?
b. What will be the lemmings speed just before landing?
c. What is the lemmings kinetic energy just before landing?
Answers
Answered by
drwls
a. (0.5 m/s)*(fall time)
b. sqrt[(g*(fall time))^2 +0.5^2]
c. (M)[gH + (0.5)^2/2]
where the "fall time" is sqrt(2H/g)
H = 4.9 m
g = 9.8 m/s^2
M = 0.4 kg
Crank it out.
b. sqrt[(g*(fall time))^2 +0.5^2]
c. (M)[gH + (0.5)^2/2]
where the "fall time" is sqrt(2H/g)
H = 4.9 m
g = 9.8 m/s^2
M = 0.4 kg
Crank it out.
Answered by
Adenise Paiz
A ball rolls horizontally of an 85 m cliff with a velocity of 11 m/s. How far from the base of the cliff will it land?
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