Please help ???????.......

Answer:

60ml

Explanation:

I'm going to assume you mean 210ml not centimeters. To find the volume all we do is subtract both values or with the formula [ f - i = v ]  where f = final amount and i = initial amount.

210 - 150 = 60ml

Best of Luck!

The final level of water should be = 210

[tex] {cm}^{3} [/tex]

or 210 ml

━━━━━━━━━━━━━

━━━━━━━━━━━━━

━━━━━━━━━━━━━

The volume of stone will be equal to the change in level of water.

that's,

210 - 150 [tex] {cm}^{3} [/tex]

= 60[tex] {cm}^{3} [/tex]

Hence the volume of the stone is 60 [tex] {cm}^{3} [/tex]

A lunar eclipse occurs when the Moon moves into the Earth's shadow. This can occur only when the Sun, Earth, and Moon are exactly or very closely aligned (in syzygy) with Earth between the other two, and only on the night of a full moon.

Answer:

the answer would be left side a to right side b left side b to left side c left side c to left side d left side d to right side e

Explanation:

Answer:

Below

Explanation:

You can use this formula to find the average speed/velocity

     speed = displacement / change in time

Plugging our values in....

     speed = 21.0 m / 2.00 s

                = 10.5 m/s

Hope this helps! Best of luck <3

The average speed of a soccer ball is 10.5 m/s.

Speed is defined as the ratio of the distance moved by the object at a particular time. The unit of speed is measured in the meter per second, miles per hour, etc. The speed of an object is a scalar quantity and does not require any direction to represent it. It only requires magnitude to represent it.

Average velocity is defined as the sum of all the distances traveled by an object to the time taken by the object to cover the total distance.

Given that a soccer ball is kicked horizontally. its average speed if its displacement is 21.0 m after 2.00 seconds will be calculated as below:-

Speed = displacement / change in time

Speed = 21.0 m / 2.00 s

Speed = 10.5 m/s

Therefore,  the average speed of a soccer ball is 10.5 m/s.

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Answer:

False

Explanation:

This depends on how much air is in the ball, I think

Answer:

Explanation:

[tex]\tt{ \green{P} \orange{s} \red{y} \blue{x} \pink{c} \purple{h} \green{i} e}[/tex]

Answer:

[tex]the \: symbol \: mg \: represent \: magnesium \\ thank \: you[/tex]

Answer:

Magnesium.

I hope it's helps you

Answer:

si

Explanation:

Answer:

D. 16 Kgm/s

Explanation:

Let the momentum of the two balls be A and B respectively.

Momentum A = 16 kgm/s

Momentum B = 0 kgm/s (since the ball is at rest).

Total momentum = A + B

Total momentum = 16 + 0

Total momentum = 16 Kgm/s

Momentum can be defined as the multiplication (product) of the mass possessed by an object and its velocity. Momentum is considered to be a vector quantity because it has both magnitude and direction.

Mathematically, momentum is given by the formula;

Momentum = mass * velocity

Explanation:

1. Mass of an object

2. Distance between the objects

Answer:

When dealing with the force of gravity between two objects, there are only two things that are important – mass, and distance. The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them.

Explanation:

PLEASE let me know you are satisfied with my answer or not☺☺

Answer:

environment is the situation of the place

Explanation:

i think helping you... have a great day:)

Answer:

The velocity is uniform (unchanging) from A to B

The velocity increases from O to A

The velocity is decreasing from B to C and C to D

Acceleration is zero from A to B because the velocity is constant

The object starts to move at O and stops at D

Answer:

a

Explanation:

I think bec. I am in small school

Answer:

4 kg

Explanation:

because when you go the moon you lose 6 times your weight because of the gravitational pull

Answer:

16.3333333 newtons

Explanation:

on earth it would 98 newtons

Answer:

v=28.28m/s t=14.14s average velocity =2m/s

Explanation:

Starting at rest the initial velocity is 0 substituting that in the first equation of motion v=u+atgives the final velocity but we first have to determine the time using the third equation of motion which is s=ut+1/2at^2 and then do the substitution. Average velocity is the determined by adding the initial and final velocity then divide it by 2

Answer:12.5 km

Explanation:

0.5=1/2

25 x 1/2 = 12.5 (25 ÷ 2 = 12.5)

Answer:

12.5 km

Explanation:

Distance = Speed x Time

               = 25 x 0.5

               = 12.5 km

Answer:

It is Potassium and iodine

any two uses of good conductor of heat are

aluminium, cooper, metal are good conductor of heat and they are used for making utensils.

gold, silver, are also good conductor of heat they are used for making jewelleries.

Explanation:

1.The parts of the ear include:

External or outer ear, consisting of: Pinna or auricle. This is the outside part of the ear. ...

2.Tympanic membrane (eardrum). The tympanic membrane divides the external ear from the middle ear.

3.Middle ear (tympanic cavity) , consisting of: Ossicles. ...

4.Inner ear , consisting of: Cochlea.

Explanation:

The major parts of ear are:-

1) Outer ear

2) Middle ear

3) Inner ear

Answer:

It is frequently stated that the value of the acceleration due to gravity at the pole is larger than at the equator because the poles are closer to the center of the earth due to the earth's oblateness. ... The measured value is larger because the earth's density is not uniform but increases toward the center.

Answer:

as explained that poles have more gravitational

force (9.83m/s^2) as the poles of earth is nearer to the center because it is flat at poles

but certainly at equator is having less gravitational force (9.78m/s^2) as it is Farr from centre of earth because it is bulgded at equator.

hence, poles have more gravitational force as co.pared to that of equator.

hope this helped you

any confusion the comment it.

Answer:

a.

[tex] {v}^{2} = {u}^{2} + 2as \\ v = \sqrt{ {u}^{2} + 2as} [/tex]

b.

[tex] {v}^{2} = {u}^{2} + 2as \\ {u}^{2} = {v}^{2} - 2as \\ u = \sqrt{ {v}^{2} - 2as} [/tex]

c.

[tex] {v}^{2} = {u}^{2} + 2as \\ 2as = {v}^{2} - {u}^{2} \\ a = \frac{ {v}^{2} - {u}^{2} }{2s} \\ \\ a = \frac{ {v}^{2} }{2s} - \frac{ {u}^{2} }{2s} [/tex]

d.

[tex] {v}^{2} = {u}^{2} + 2as \\ 2as = {v}^{2} - {u}^{2} \\ s= \frac{ {v}^{2} - {u}^{2} }{2a} \\ \\ s = \frac{ {v}^{2} }{2a} - \frac{ {u}^{2} }{2a} [/tex]

I hope I helped you^_^

Answer:

500 N

Explanation:

Natural bouyency will keep the diver in the same place, no matter what the mass of gfs. This means if the diver is displacing with a weight of 500 N, the upthrust will also be 500 N.

Upthrust on the diver will be 500 N

It is the force exerted by a fluid on an object in upward direction .

Since , Upthrust = weight  of the liquid displaced by a submerged part of the body

so, Upthrust = mg         where m = mass of the body and

                                                  g = acceleration due to gravity

It is given weight of water displaced = 500 N

hence , Upthrust on the diver will be 500 N

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Answer:

As more and more resistors are added in parallel to a circuit, the equivalent resistance of the circuit decreases and the total current of the circuit increases. Adding more resistors in parallel is equivalent to providing more branches through which charge can flow.

Answer:

Bismuth And Nitrogen

Explanation:

Because they have the same number of Valence Electrons

Answer:

There is nothing above oxygen but beneath there is sulfur as shown in the figure.

It would be 0.01023.

0.010229 has 5 sig. fig.'s (leading zeros do not count)

So rounding to 4 sig. fig.'s is just a matter of rounding off the last digit, which leaves you with 0.01023.

(a) The length of the train is 54.6 m

(b)  The braking distance of the road train is 194.44 m

The given parameters:

acceleration of the car, a = 3.7 m/s²

initial velocity of the car, u = 30 m/s

final velocity of the car, v = 130 km/h = 36.11 m/s

To find:

The length of the train is the distance travelled by the car

The distance traveled by the car is calculated as:

[tex]v^2 = u^2 + 2as\\\\2as = v^2 - u^2\\\\s = \frac{ v^2 - u^2}{2a} \\\\where;\\\\s \ is \ the \ distance \ travelled \ by \ the \ car\\\\s = \frac{(36.11)^2 - (30)^2}{2\times 3.7} \\\\s = 54.585 \ m\\\\s \approx 54.6 \ m[/tex]

Thus, the length of the train is 54.6 m

(b) The braking distance of a road train travelling at 25 m s⁻¹

[tex]a = \frac{v_1^2}{2s_1} = \frac{v_2^2}{2s_2} \\\\Given;\\\\s_1 = 70 \ m\\\\v_1 = 15 \ m/s\\\\v_2 = 25 \ m/s\\\\s_2 = ?\\\\2s_2v_1^2 = 2s_1v_2^2\\\\s_2 = \frac{ 2s_1v_2^2}{2v_1^2} \\\\s_2 = \frac{s_1v_2^2}{v_1^2} \\\\s_2 = \frac{70\times 25^2}{15^2} \\\\s_2 = 194.44 \ m[/tex]

Thus, the braking distance of the road train is 194.44 m

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the father has to sit 0.5meter away from the kid because he is a 3/4 heavier that the kid

We have that

The wombats total displacement is

[tex]d_t=2100m[/tex]

The average velocity during that time is

[tex]v_{avg}=5m/s[/tex]

From the question we are told that:

initial Velocity [tex]V_1=5m/s[/tex]

initial Time [tex]T_1=4min=>240sec[/tex]

Final Velocity [tex]V_2=4m/s[/tex]

Final time  [tex]T_2=3min=>180sec[/tex]

a)

Generally, the equation for displacement is mathematically given by

d_t=(Initial +final) displacement

Where

initial displacement

[tex]d_1=V_1*t_1\\\\d_1=5*240[/tex]

[tex]d_1=1200m[/tex]

Final displacement

[tex]d_2=V_2*t_2\\\\d_2=5*180[/tex]

[tex]d_2=900m[/tex]

Therefore

[tex]d_t=(Initial +final) displacement[/tex]

[tex]d_t=1200+900[/tex]

[tex]d_t=2100m[/tex]

b)

Generally, the equation for Average velocity is mathematically given by

[tex]v_{avg}=\frac{d_t}{t_1+t_2}[/tex]

[tex]v_{avg}=\frac{2100m}{240+180}[/tex]

[tex]v_{avg}=5m/s[/tex]

in conclusion

The wombats total displacement is

[tex]d_t=2100m[/tex]

The average velocity during that time is

[tex]v_{avg}=5m/s[/tex]

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