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3 years ago

Study the image, which describes how rapid changes in weather conditions occur.

Physics

2 answers:

ladessa [460]3 years ago

8 0

2 is the answer I hope it right

svlad2 [7]3 years ago

3 0

Answer:

2- Air masses are colliding with each other.

Explanation:

From the image given below its clear that the warm is rising upwards and as a result of the collision from the cold winds or front from below, hence the development of clouds that make the thunderstorms appear.

And a result of this turbulent the rising air is pushed and the warm front cycle takes a turn and will lead to either development of cyclone or rainfall.

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A driver in a 2000 kg Porsche wishes to pass to pass a slow-moving school bus on a four-lane road. What is the average power in

Kryger [21]

The average power is $3.0\cdot 10^6 W$

Explanation:

First of all, we calculate the work done to accelerate the car; according to the work-energy theorem, the work done is equal to the change in kinetic energy of the car:

$W=K_f -K_i= \frac{1}{2}mv^2-\frac{1}{2}mu^2$

where :

$K_f = \frac{1}{2}mv^2$ is the final kinetic energy of the car, with

m = 2000 kg is the mass of the car

v = 60 m/s is the final speed of the car

$K_i = \frac{1}{2}mu^2$ is the initial kinetic energy of the car, with

u = 30 m/s is initial speed of the car

Soolving:

$W=\frac{1}{2}(2000)(60)^2 - \frac{1}{2}(2000)(30)^2=2.7\cdot 10^6 J$

Now we can find the power required for the acceleration, which is given by

$P=\frac{W}{t}$

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Learn more about power:

brainly.com/question/7956557

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3 years ago

A car that experiences no frictional force is started and caused to move. For the car to continue in that motion, the gas pedal

astraxan [27]

Explanation:

Gas pedal is not required to used on friction less surface. On a friction less surface once the car is started and caused to move, car continues to move with same velocity as there is no opposing force. Therefore, no pressing of gas pedal required. However, this situation is not possible in real life, as friction is always present.

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3 years ago