Physics, 24.09.2019 23:30 bria58490

Atree limb of mass 12 kg falls straight down. if air resistance exerts 27 n of force on the limb as it falls, what is the net force on the tree limb?
a. 118 n down
b. 27 n down
c. 15 n down
d. 91 n down

Answers: 2

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Answer from: Quest

it becomes positively charged by charging it

Answer from: Quest

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-a geothermal heat pump system consists of a heat pump, an air delivery system (ductwork), and a heat exchanger-a system of pipes buried in the shallow ground near the building

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Answer from: Quest

It's have to be 12 or idk

Answer from: Quest

the minimum constant speed at which she can catch the train is 2.7 m/s

given:

acceleration = 0.6 $\frac{m}{s^{2} }$

time = 4.5 s

to find:

velocity = ?

formula used:

from 1st kinematic equation we get,

v = u + at

u = initial speed of train = 0 m/s

v = final speed of the train

a = acceleration of the train

t = time

solution:

from 1st kinematic equation we get,

v = u + at

u = initial speed of train = 0 m/s

v = final speed of the train

a = acceleration of the train

t = time

v = 0 + (0.6 × 4.5)

v = 2.7 m/s

the minimum constant speed at which she can catch the train is 2.7 m/s

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Atree limb of mass 12 kg falls straight down. if air resistance exerts 27 n of force on the limb as...

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