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3 years ago

What would happen to Mars (orbiting around the Sun, obviously) if its tangential velocity was reduced

Physics

1 answer:

Rama09 [41]3 years ago

4 0

Answer:

It would eventually crash into the Sun

Explanation:

If the mars is orbiting around the sun, the gravitational force of attraction is between the sun and mars supply the necessary force required for the centripetal motion.

If a planet is in centripetal motion, it is constantly falling towards the sun with the acceleration equal to the gravitational strength at that point.

If the centripetal acceleration of the planet is removed, still the planet would accelerate linearly falling towards the sun.

Hence, if the planets tangential velocity was reduced to zero, It would eventually crash into the Sun

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A cat walks along a plank with mass M= 7.00 kg. The plank is supported by two sawhorses. The center of mass of the plank is a di

solong [7]

Answer:

Before the plank will tip cat will walk 1.652 m

Explanation:

Mass of the cat along with plank $m_1=7kg$

Center of mass of the plank $d_1=0.850m$

Mass of cat $m_2=3.6kg$

We have to find how far right of sawhorse B.

Plank will tip when weight of the cat about B is greater than the torque by the weight of the plank.

Balancing the the torque

$m_1gd_1=m_1gd_2$

$7\times 9.8\times 0.850=3.6\times 9.8\times d_2$

$d_2=1.652m$

5 0

4 years ago

HURRY IM TIMED

Gwar [14]

Answer:

By talking about something that interesto you’

sorry if wrong

Explanation:

3 0

3 years ago

What is the pressure if a force of 200 N is applied over an area of

Gelneren [198K]

The pressure is $4 N / c m^{2}$ .

Answer: Option A

<u>Explanation:</u>

Pressure defines the force acting per single area. So depending upon the amount of force acting over a given area in the perpendicular direction of the object, the pressure acting on that area will vary.

So the pressure is directly proportionate to the applied force on a particular region and inversely proportionate into the areas of the region. Hence, the unit of pressure is considered as $N / c m^{2}$ or Pascal. Pressure can also be termed as the number of air molecules present in a specified closed region. Thus, for the present condition

$\text { Pressure }=\frac{\text { Force }}{\text { Area }}$

Thus, by appling the given values in the above equation, we get,

$\text { Pressure }=\frac{200}{50}$ = $4 N / c m^{2}$

So the pressure is $4 N / c m^{2}$ .

6 0

3 years ago

Please help me out please

kirill [66]

Answer:

SORRY NOONE CAN HELP YOU>>> YOU OUR A LOST CAUSE

Explanation:

sorry the photo is blocked on my computer, but that doesnt mean your a lost cause..... have a good day

4 0

4 years ago

When you walk with a cup of coffee (diameter5 cm) at just the

vladimir1956 [14]

Answer:

10 cm/sec

Explanation:

using formula velocity = frequency * wave length

where: f=1/T

1/1=1

so frequency will be 1HZ ( due to 1 oscillation in 1 sec)

wave length will be 10 cm because while sloshing cup hold (1/2) half full length.

velocity = 1*10 = 10cm/sec.

velocity = 10 cm/sec

4 0

3 years ago