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3 years ago

Which volcanic hazard can block the sunlight and temporarily cool the Earth’s surface?

2 answers:

8 0

If a volcano epulses massive amounts of dust into the atmosphere, those two things will/can happen.
The events will last until the dust lays down on the earth.

postnew [5]3 years ago

6 0

The volcanic hazard that can block sunlight and cool earth i think is stone

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Block A is accelerating with Block B at a rate of 0.800 m/s2 along a frictionless surface. It suddenly encounters a surface that

Natalija [7]

Answer:

$a=0.6\ m/s^2$

Explanation:

The attached figure shows the whole description. Considering the applied force is 100 N.

The acceleration of both blocks A and B, $a=0.8\ m/s^2$

Firstly calculating the mass m using the second law of motion as :

F = ma

m is the mass

$m=\dfrac{F}{a}$

$m=\dfrac{100\ N}{0.8\ m/s^2}$

m = 125 kg

It suddenly encounters a surface that supplies 25.0 N a friction, F' = 25 N

$(F-F')=ma$

$(100-25)=125\times a$

$a=\dfrac{75}{125}=0.6\ m/s^2$

So, the new acceleration of the block is $0.6\ m/s^2$ . Hence, this is the required solution.

7 0

3 years ago

Two air craft P and Q are flying at the same speed 300m/s. The direction along which P is flying is at right angles to the direc

Lerok [7]

Answer:

424.26 m/s

Explanation:

Given that Two air craft P and Q are flying at the same speed 300m/s. The direction along which P is flying is at right angles to the direction along which Q is flying. Find the magnitude of velocity of the air craft P relative to air craft Q

The relative speed will be calculated by using pythagorean theorem

Relative speed = sqrt(300^2 + 300^2)

Relative speed = sqrt( 180000 )

Relative speed = 424.26 m/s

Therefore, the magnitude of velocity of the air craft P relative to air craft Q is 424.26 m/s

7 0

3 years ago

Which pair of scientists should Elizabeth write instead of X

ASHA 777 [7]

Answer:

O Hooke and Leeuwenhoek

Explanation:

O Hooke and Leeuwenhoek discovered the existence of micro organisms between 1665 and 1683

5 0

3 years ago

Read 2 more answers

Cliff is a postal worker, who placed a 0.60 kg package on a scale, compressing the scale by 0.03 m. What is the force constant o

lesya692 [45]

Hopefully this helps :)

7 0

4 years ago

The following are connected in parallel circuit at home EXCEPT:

nikdorinn [45]

Light bulbs, think about parallel circuits as something you plug into, so for example you plug in a tv for it to work, same with a refrigerator and Christmas lights

8 0

3 years ago