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guapka [62]
2 years ago
5

When a body moves from point A to point B the distance travelled in 500 meters with in a given time of 0.6 hours and find out th

e velocity and acceleration in a body.
what is correct answer .​
Physics
1 answer:
Sav [38]2 years ago
6 0

Answer

Explanation:

Convert the time to seconds = 0.6 × 60 × 60

= 2160seconds

Velocity = distance ÷ time

Velocity = 500 ÷ 2160

Velocity = 0.23meters per seconds(m/s)

Acceleration = Velocity ÷ time

Acceleration = 0.23 ÷ 2160

Acceleration = 0.000106meters per seconds ²(m/s²)

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The angular velocity of a process control motor is (13−12t2) rad/s, where t is in seconds. Part A At what time does the motor re
mihalych1998 [28]

Answer:

Explanation:

Given

\omega =13-\frac{1}{2}\cdot t^2

Motor reverse its direction when \omega =0

13-0.5t^2=0

26=t^2

t=\sqrt{26}=5.099\approx 5.1 s

(b)

\frac{\mathrm{d} \theta }{\mathrm{d} t}=\omega

\int d\theta =\int_{0}^{5.1}\omega dt

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3 years ago
The density of aluminum is 2.70 g/ml. A piece of aluminum foil has a mass of 44 g. What is the volume of this piece of aluminum
anyanavicka [17]

Answer:

C) 16.3 ml

Explanation:

Density is equal to the ratio between the mass of an object and its volume:

d=\frac{m}{V}

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m is the mass

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In our problem, we know:

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So we can re-arrange the equation above and use these data to find the volume of the piece of aluminium foil:

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Theoritically

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Mathmatically,

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a= v-u/t

3-3/t

0/t

0m/s.s

6 0
2 years ago
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F=ma
m=1.05/3.5= 0.3kg
8 0
3 years ago
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