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2 years ago

PLEASE ANSWER ASAP

Physics

1 answer:

Sedbober [7]2 years ago

3 0

Answer:

Explanation:

The water collects in the ocean; it is then evaporated by the sun. After evaporation the water turns into water vapor, it then condenses to form clouds.

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2 toy cars move horizontally toward each other. When they are 40m apart one has an initial velocity of 6m/s and acceleration of

yanalaym [24]

Answer:

Part a)

$t = 2.62 s$

Part b)

the distance moved by car 1 is 29.5 m and distance traveled by car 2 is 10.5 m

Explanation:

Part a)

As we know that car 1 is moving with speed v = 6 m/s and acceleration 4 m/s/s

Then car 2 is moving at constant speed 4 m/s

now the relative speed of two cars is

$v_r = 6 + 4 = 10 m/s$

now the relative acceleration of two cars towards each other is given as

$a_r = 4 m/s^2$

now we will have

$d = v_i t + \frac{1}{2}at^2$

$40 = 10 t + \frac{1}{2}(4)t^2$

$t^2 + 5t - 20 = 0$

$t = 2.62 s$

Part b)

In the above time distance traveled by the car which is moving at constant speed is given as

$v = \frac{d}{t}$

$4 = \frac{d}{2.62}$

$d = 10.5 m$

so the distance moved by car 1 is 29.5 m and distance traveled by car 2 is 10.5 m

Part c)

4 0

3 years ago

What should sportsman always consider when hunting from a boat?

svetoff [14.1K]

Hunting from a boat is very enjoyable but a sportsman should consider these things when hunting from a boat, to make the hunting successful and safe.
Safety: hunting from the boat can be dangerous, safety is one of the important thing. So, safety measures put in first place.
Communication means: if boat goes to deep water, before getting any problem, one should have many types of means of communication.
Hunting tools: you should keep different types of hunting tools.
One should know the kind of water, keep food with you and should know all the directions about it.

7 0

2 years ago

Sound wave of a wave length of 0.56 meters if its speed is 280 m/s what is the wave frequency

Reika [66]

Answer:

500 Hz

Explanation:

Formula for finding wave frequency is,

f = c/λ

f = frequency

c = speed (m/s)

λ = wave length (m)

f = c/λ

f = 280/0.56

f = 500

∴ wave frequency is 500 Hz

5 0

2 years ago

A negative charge is moving across a room from south to north. A magnetic field runs from east to west. In what direction is the

melisa1 [442]

Answer:

Downwards

Explanation:

Using Fleming's right hand rule, where the middle finger represents the negative charge moving in the south to north direction, the fore finger represents the magnetic field which points in the east to west direction.

If we are to follow this orientation and place the thumb, middle finger and fore-finger at right angles to each other, the thumb represents the direction of the magnetic force on the charge.

In this case, the magnetic force points downwards after setting the other orientations of the magnetic field and the negative charge's direction.

3 0

3 years ago

Give an example of each element,compound, and mixture

maria [59]

Answer:An element cannot be broken down into any other substance. ... Compounds are substances made from atoms of different elements joined by chemical bonds. They can only be separated by a chemical reaction. Common examples are water (H2O), salt (sodium chloride, NaCl), methane (CH4).

Explanation:I hope this helps

3 0

2 years ago

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