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Y_Kistochka [10]
3 years ago
13

A car travels 300km in six hour. What is the average speed

Physics
1 answer:
KiRa [710]3 years ago
5 0

Answer:

<h2>50 km/hr</h2>

Explanation:

The average speed of the car can be found by using the formula

s =  \frac{d}{t}  \\

d is the distance

t is the time taken

From the question we have

s =  \frac{300}{6}  = 50 \\

We have the final answer as

<h3>50 km/hr</h3>

Hope this helps you

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Linear Velocity What is the linear velocity in cm&gt;min for any edge point of a 12-cm-diameter CD (compact disc) spinning at 10
daser333 [38]

3,89,988 cm/min is the linear velocity

Given,

Diameter of CD = 12 cm

So, Radius of CD = 6 cm

CD is spinning at 10350 rev/min

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1 rev = 2π radians

10350 rev/min = 10350 × 2π

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Formula used,

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w is the angular velocity

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  = 3,89,988 cm/min

Thus, linear velocity for any edge point of a 12-cm-diameter CD (compact disc) spinning at 10,350 rev/min is 389988 cm/min.

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8 0
2 years ago
What term best describes the geologic event taking place in the above illustration?
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How are cactus adapted to survive in deserts?
andreev551 [17]

1. They have evolved their leaves into spikes for minimum water loss through transpiration.

2. They have a waxy layer for minimum water loss.

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A stone dropped in a pond sends out a circular ripple whose radius increases at a constant rate of 4 ft/sec. After 12 seconds, h
Natali5045456 [20]

Answer:

After 12 seconds, the area enclosed by the ripple will be increasing rapidly at the rate of 1206.528 ft²/sec

Explanation:

Area of a circle = πr²

where;

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To obtain how rapidly is the area enclosed by the ripple increasing after 12 seconds, we calculate dA/dt

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Therefore, after 12 seconds, the area enclosed by the ripple will be increasing rapidly at the rate of 1206.528 ft²/sec

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