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Ipatiy [6.2K]
3 years ago
10

A 5.00 kg mass is attached to a spring on a horizontal frictionless surface. The elastic constant of the spring is 37.9 N/m. If

the mass is 39.0 cm right of the equilibrium point and moving at speed 7.4 m/s, find the total mechanical energy
Physics
1 answer:
Fynjy0 [20]3 years ago
6 0

45.6 i think i'm not sure pls double check

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Answer:

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An airplane during departure has a constant acceleration of 3 m / s².
Rama09 [41]

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3m/s² = speed/4s

S = 12m/s

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b) Flight point will be termed as the point the plane got initial speed, u, 20m/s

Find speed after 8s, v

a = 3m/s²

from,

a = <u>v</u><u> </u><u>-</u><u> </u><u>u</u>

t

3 = <u>v</u><u> </u><u>-</u><u> </u><u>2</u><u>0</u>

8

24 = v - 20

v = 44m/s

After 8s the plane would've 44m/s speed.

6 0
3 years ago
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