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3 years ago

Urgent!!!

Physics

1 answer:

Luba_88 [7]3 years ago

5 0

The area which touches the sand floor of 4 feet of the bull is less than the man.

because the area of surface of contact is more in bull than in man. More is the area of contact, leads is the force or pressure affected.

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Two satellites A and B orbit the Earth in the same plane. Their masses are 5 m and 7 m, respectively, and their radii 4 r and 7

Dmitry [639]

Answer:

The ratio of their orbital speeds are 5:4.

Explanation:

Given that,

Mass of A = 5 m

Mass of B = 7 m

Radius of A = 4 r

Radius of B = 7 r

The orbital speed of satellite A,

$v_{A}=\sqrt{\dfrac{GM_{A}}{R_{A}}}$ ......(I)

The orbital speed of satellite B,

$v_{B}=\sqrt{\dfrac{GM_{B}}{R_{B}}}$ ......(I)

We need to calculate the ratio of their orbital speeds

Using equation (I) and (II)

$\dfrac{v_{A}}{v_{B}}=\sqrt{\dfrac{\dfrac{GM_{A}}{R_{A}}}{\dfrac{GM_{B}}{R_{B}}}}$

Put the value into the formula

$\dfrac{v_{A}}{v_{B}}=\sqrt{\dfrac{G\times5m\times7r}{G\times7m\times4r}}$

$\dfrac{v_{A}}{v_{B}}=\dfrac{5}{4}$

Hence, The ratio of their orbital speeds are 5:4.

8 0

3 years ago

Which law states that for any closed loop, the sum of the length segments times the magnetic field in the direction of the segme

dedylja [7]

That's Ampere's Law. ( C ).
The magnetic permeability is the proportionality constant.

3 0

3 years ago

Read 2 more answers

Can you help me ASAPPP please help me

AveGali [126]

Answer:it is a

Explanation hope this helps .

6 0

4 years ago

sergij07 [2.7K]

Answer:

yes

Explanation:

pangea moved dinosouars and other spices all aroud the world. just like how you can find the same types of birds in some places with very few differsencs

7 0

3 years ago

HElP I NEED TO turn this in

Alexeev081 [22]

B student 2 because you add

8 0

3 years ago