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Akimi4 [234]
3 years ago
15

What is the kinetic energy of a bike with a mass of 24 kg traveling at 3 m/s?

Physics
1 answer:
erastovalidia [21]3 years ago
5 0

Answer:

KE = 1/2mv^2

KE = 1/2(24)(3^2)

KE = 12(9)

KE = 108 J

Let me know if this helps!

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Explanation:

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A worker does 25 J of work lifting a bucket, then sets the bucket back down in the same place. What is the total net work done o
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Explanation:

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Lithium has a density of 0.5 g/cm3. What would be the mass of a 20 cm3 sample of lithium?
MrMuchimi

Answer:

1 gm

Explanation:

.05 g/cm^3   *  20 cm^3 =   1 gm

6 0
2 years ago
A wave on the ocean surface with wavelength 44 m travels east at a speed of 18 m/s relative to the ocean floor. If, on this stre
inessss [21]

Answer:

A)t=<u>1.375s</u>

B)t=11s

Explanation:

for this problem we will assume that the east is positive while the west is negative, what we must do is find the relative speed between the wave and the powerboat, and then with the distance find the time for each case

ecuations

V=Vw-Vp  (1)

V= relative speed

Vw= speed of wave

Vp=Speesd

t=X/V(2)

t=time

x=distance=44m

A) the powerboat moves to west

V=18-(-14)=32m/s

t=44/32=<u>1.375s</u>

B)the powerboat moves to east

V=18-14=4

t=44/4=<u>11s</u>

3 0
3 years ago
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