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3 years ago

When do sea breezes occur?

2 answers:

7 0

The answer is B.

Sea breezes only occurs during the night because the land is cooler than the sea.

This causes hot air to rise from the sea and move towards a cooler area, this is called convection currents.

During the night, the pressure above the land is greater than the pressure above the sea, therefore, wind is travelled from a cooler area to a hotter area.

The opposite occurs during the day, because the sea is cooler than the land during the day.

azamat3 years ago

3 0

The answer would be C, but cooling surface temperatures make it cooler at night, as the water tends to cool down as fast.

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A bike travels at 7.5 m/s along a straight road, whereas a car travels at 10.0 m/s along the same road and in the same direction

Ilya [14]

Answer:

$t = 8.3 s$

Explanation:

As we know that

velocity of bike = 7.5 m/s

velocity of car is 10 m/s

deceleration of car is 0.75 m/s^2

part a)

velocity of bike with respect to car is given as

$v_r = 7.5 - 10 = -2.5 m/s$

acceleration of bike with respect to car is given as

$a_r = 0 - (-0.75) = 0.75 m/s^2$

now the distance of the bike with respect to car is given as

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

$5 = (-2.5) t + \frac{1}{2}(0.75)t^2$

$t = 8.3 s$

Part b)

3 0

3 years ago

A circuit has a current of 2 A. If the resistance in the circuit decreases to one-fourth of its original amount while the voltag

klasskru [66]

Answer:

two ampheres

Explanation:

the formula for calculating voltage is V=IR so if the current which is I is 2 and the resistance which is R is decreased to one forth then we will say

R=x multiplied by 1/4=x/4

V=2x/4 cross multiply then we have

since the voltage is constant then it is=1

so 4=2x divide both sides by 2 we then get 2 as our answer

8 0

3 years ago

Based on the your prior knowledge, how far up a hill will a Hot Wheels car (0.01 kg) go if it is traveling at 5.0 m/s?

Sloan [31]

The formula for speed id speed is equal to distance/time

so to 5.0/0.01=500m/s.

8 0

4 years ago

Guys what's is the meaning of aspects<br>

shtirl [24]

Answer:

It is the way you see someone or something

8 0

3 years ago

The mass of your new motorcycle is 250kg. What is the weight on the moon in newtons

Hunter-Best [27]

Weight of motorcycle on the moon = mg

Here, g= 1.622 m/s²

So, W = 250 * 1.622 = 405.5 Kgm/s² = 405.5 N.

Did you understand??

8 0

3 years ago