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Aleks [24]
3 years ago
13

How much time passes when an object travels at a constant speed of 17 m/s over a distance of 323 m? Identify Variables, write fo

rmula, show work, label your answer.
Physics
1 answer:
k0ka [10]3 years ago
8 0

Answer: 19 s

Explanation:

The relationship between speed, distance  and time is given by:

velocity= distance/time

time= distance/velocity= 323 m/17 m/s= 19 s

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A. Community<br> B. Organism<br> C. Population <br> D. Individual
dimulka [17.4K]

Answer:

i think its B or D

Explanation:

its Individual or Organism

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3 years ago
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the maximum displacement of a particle, within a wave, above or below its equilibrium position, is called__________
Gre4nikov [31]

Answer:

the amplitude.

Explanation:

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3 years ago
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A horizontal 810-N merry-go-round of radius 1.60 m is started from rest by a constant horizontal force of 55 N applied tangentia
Sloan [31]

Answer:

576 joules

Explanation:

From the question we are given the following:

weight = 810 N

radius (r) = 1.6 m

horizontal force (F) = 55 N

time (t) = 4 s

acceleration due to gravity (g) = 9.8 m/s^{2}

K.E = 0.5 x MI x ω^{2}

where MI is the moment of inertia and ω is the angular velocity

MI = 0.5 x m x r^2

mass = weight ÷ g = 810 ÷ 9.8 = 82.65 kg

MI = 0.5 x 82.65 x 1.6^{2}

MI = 105.8 kg.m^{2}

angular velocity (ω) = a x t

angular acceleration (a) = torque ÷ MI

where torque = F x r = 55 x 1.6 = 88 N.m

a= 88 ÷ 105.8 = 0.83 rad /s^{2}

therefore

angular velocity (ω) = a x t = 0.83 x 4 = 3.33 rad/s

K.E = 0.5 x MI x ω^{2}

K.E = 0.5 x 105.8 x 3.33^{2} = 576 joules

6 0
3 years ago
What is the volume of a bar of soap that is 9 cm long, 5 cm wide, and 2 cm high?
GalinKa [24]

Answer:

90cm

Explanation:

2x5=10

10x9=90

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