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True is the correct answer

Answer:

cant see to find the answer sorry :( i tried :( good luck !! you'll do great <3333 BEST OF LUCK :DDDD

Explanation:

Answer:

well a beach ball could be any size at all a bowling ball is usually the same size  the weight difference is inside of them inside the beach ball there's air although in a bowling ball there's cement or rock i don't know what they put inside the ball but anyway the bowling ball a lot higher density o it has more volume so the bowling ball is a lot heavier than just a beach ball

Explanation:

Answer:

Two moles of aluminum chloride [tex](AlCl_3)[/tex] are produced when six miles of hydrogen Chloride [tex](HCl)[/tex] react with plenty of aluminum

Explanation:

6 Moles of [tex]HCl[/tex] will only react with 2 moles of [tex]Al[/tex] irrespective of the number of moles of each compound present. The reaction wiil take place in this ratio only. The products produced will be 2 moles of [tex]AlCl_3[/tex] and 3 moles of [tex]H_2[/tex] this ratio will also be constant.

So, six moles of hydrogen chloride [tex](HCl)[/tex] will react with plenty of aluminum to produce many 2 moles of aluminum chloride [tex](AlCl_3)[/tex].

Answer:

The answer is A. Fluid and white blood cells move into the tissue from nearby blood  vessels.

Explanation:

Answer:

A is the Answer

Explanation:

I took the test

Answer:

80 watts

Explanation:

power= energy / time

400/5 = 80

Answer:

In reality, the filament gets so hot it in a real sense bubbles off molecules and electrons. Now and again this material gathers as a dull spot at the highest point of the bulb. Eventually, the filament falls apart, gets frail, and breaks, subsequently finishing the life of the light. Lights radiate light by siphoning an electric flow through a dainty tungsten fiber. The filament warms and emits light. Over the long haul, the filament oxidizes and turns out to be increasingly fragile, until it splits up and the bulb goes out. ... Tungsten picks up obstruction as it warms.

Hope this helped :)

Answer:

A basic quantity is basically the physical quantity that can not be defined in terms of other quantities.

Explanation:

A basic quantity is basically the physical quantity that can not be defined in terms of other quantities.

Some of the names of the basic quantities include:

Explanation:The fundamental answer is that without regular supervision of, and definitions of, weights and measures, commerce and exchange would be impossible, and there would be no market whatsoever for anything.

Explanation:

#Shadow

Answer:

.5 newtons on the 1.5 N side

Answer:

Change in velocity = 4 m/s and acceleration = 0.5 m/s²

Explanation:

Given that,

Initial velocity, u = 3 m/s

Final velocity, v = 7 m/s

Time, t = 8 seconds

(a) The change in velocity of a cyclist.

[tex]\Delta v=v-u\\\\=7\ m/s-3\ m/s\\\\=4\ m/s[/tex]

(b) Acceleration,

[tex]a=\dfrac{\Delta v}{t}\\\\a=\dfrac{4\ m/s}{8\ s}\\\\a=0.5\ m/s^2[/tex]

So, the change in velocity is 4 m/s and acceleration is 0.5 m/s².

Immiscible liquids are those which won't mix to give a single phase. Oil and water are examples of immiscible liquids - one floats on top of the other. It explains the background to steam distillation and looks at a simple way of carrying this out.

Answer:

7.35 seconds

Explanation:

The computation of the time passed prior to the ball reached to the highest point is as follows;

As we know that the acceleration because of gravity on earth is 9.8 m/s

As the ball is thrown directly in an upward direction with a speed of 72 m/s

So, the time passed prior to the ball reached to the highest point is

= 72 ÷ 9.8

= 7.35 seconds

Hence, the above represents the answer

Answer:

The value is [tex]T = 122036.2 \ N[/tex]

Explanation:

From the question we are told that

     The mass of the car is  [tex]m = 6526 \ kg[/tex]

      The acceleration  is  [tex]a= 8.9 \ m/s^2[/tex]

Generally the net force applied on the rope is mathematically represented as

          [tex]F_{net} = T - W[/tex]

Here W is the weight of the car which is evaluated as

         [tex]W = m * g[/tex]

=>      [tex]W = 6526 * 9.8[/tex]

=>       [tex]W = 63954.8 \ N[/tex]

Generally the net force can also be mathematically represented as

       [tex]F = m * a[/tex]

So

        [tex]m * a = T - 63954.8[/tex]

=>     [tex]6526 * 8.9 = T - 63954.8[/tex]

=>      [tex]T = 122036.2 \ N[/tex]

Answer:

stainless steel is the material which is non magnetic.

Answer:

e.4

Explanation:

Answer:

The time taken for the ball to get to the batter is 0.41 s.

Explanation:

Given;

initial velocity of the baseball, u = 45 m/s

horizontal distance between the pitcher and the batter, X = 18.39 m

The horizontal distance or range of a projectile is given as;

X = ut

where;

t is the time of flight

u is the initial velocity

t = X / u

t = 18.39 / 45

t = 0.41 s

Therefore, the time taken for the ball to get to the batter is 0.41 s.

Answer: Average speed is distance divided by time interval for the distance traveled.

Explanation: I hope that helped!

Explanation:

A boat at sea is being moved by the ocean current at 5 metres/minute directly to the east.

At the same time, it is being moved directly to  the north at 3 metres/minute by a strong wind.

We need to find the magnitude and direction of the boat's overall velocity.

As both velocities are moving perpendicular to each other. The resultant velocity is given by :

[tex]v=\sqrt{5^2+3^2} \\\\=\sqrt{25}\\\\=5\ \text{metres/minute}[/tex]

For direction,

[tex]\tan\theta=\dfrac{v_y}{v_x}\\\\=\dfrac{3}5{}\\\\\theta=\tan^{-1}(\dfrac{3}5{})\\\\=30.96^{\circ}[/tex]

Hence, this is the required solutin.

Answer:

D.  A record of all the physical activity you complete in one week.

Explanation:

A "Fitness Log" allows you to keep track of your workout or exercise. Therefore, it is a record of the different workout you've managed to complete within a time frame. It gives you several information such as the type of workout you've completed, its duration and the time of the day it was performed. This makes a person motivated to exercise because he can see his progress. He may also include his mood before and after workout in order to become more mindful in exercising and many other things.

Answer:

the answer is D  i just got the answer right

Explanation:

Answer:

Pressure and force are related, and so you can calculate one if you know the other by using the physics equation, P = F/A. Because pressure is force divided by area, its meter-kilogram-second units are newtons per square meter, or N/m2.

Explanation:

Do you not feel the pressure when mass is on you?

Answer: 1. It always acts in the direction opposite to the direction of motion. 2. It's magnitude is equal to that of the force trying to set the object in motion only until it starts to move.

Explanation: Properties of frictional forces:

1. Frictional force always acts parallel to two planes in contact with each other and in a direction opposite to that of relative motion of the two bodies. 2. Frictional forces are caused due to intermolecular interactions between the bodies.

Explanation:

force is a force between two surfaces that are sibling

1. it acts parrell

2. it is caused due to intermolecular interactions between two bodies

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Answer:

(a) 100.38 m

(b) 183.49 m

(c) 6.12 seconds and 12.24 seconds.

Explanation:

Given that a body is thrown vertically upwards with a velocity of 60 m/s.

Assuming that upward direction is positive

So, the initial velocity, u=60 m/s

As the acceleration due to gravity, g=9.81 m/s^2, acts in the downward direction, so

a=-9.81 m/s^2

(a) By using the equation of motion, the displacement of the body after time t=2 seconds, is

[tex]s=ut+\frac 1 2 at^2 \\\\ s=60\times 2 +\frac 1 2 (-9.81)2^2 \\\\[/tex]

s=100.38 m

Hence, the height of the body will be 100.38 m after 2 seconds.

(b) At the maximum height, the velocity of the object is zero, so

v=0.

The maximum height is the displacement of the body where it attains zero velocity.

Using the equation of the motion.

[tex]v^2=u^2+2as \\\\0= 60^2 +2(-9.81)s \\\\s=\frac {3600}{2\times 9.81} \\\\[/tex]

s=183.49 m

Hence, the maximum height of the body is 183.49 m.

(c) Time to reach the maximum height

v=u+at

0=60 +(-9.81)t

t=60/9.81

t=6.12 seconds.

The body will take 6.12 seconds to reach the maximum height.

As the time to reach the maximum height from the initial position is the same as the time to reach the initial position from the maximum height.

So, the total time to returns again to the place where it was launched

= 2 x 6.12 = 12.24 seconds.

Answer:

Yes the student is correct

Explanation:

The first law of thermodynamics states that energy can neither be created nor destroyed

The second law of thermodynamics states that the entropy (disorderliness) of an isolated system always increases

Therefore, whereby energy is not supplied to maintain the orderly oscillatory motion with constant amplitude, the amplitude of the system is bound to reduce with time that is the vibration of the system must be damped

Answer:

1 day

Explanation:

The spinning movement of Earth around its axis is known as Earth's rotation.

The Earth rotates around the Sun in 1 day that is 24 hours but once in every 23 hours, 56 minutes, and 4 seconds with respect to other stars.

According to the Indian astronomer Aryabhata, Earth rotates about its axis daily.

Answer:

Pressure = 100 Pascals

Explanation:

[tex]pressure = \frac{force}{area} \\ = \frac{150 \times 10}{15} \\ = \frac{1500}{15} \\ = 100 pa[/tex]

Answer:

Answer: B. 49 N

Explanation:

Friction Force

When an object is at rest on a rough surface, it encounters a friction force that opposes motion.

The friction force when an object is moving on a horizontal surface is calculated by:

[tex]Fr=\mu_k N[/tex]

Where [tex]\mu_k[/tex] is the coefficient of static friction and N is the normal force.  

If no forces other then the weight and the normal are acting upon the y-direction, then the weight and the normal are equal in magnitude:

N = W = m.g

Thus, the friction force is:

[tex]Fr=\mu_k W[/tex]

We are given the coefficient of static friction [tex]\mu_k=0.5[/tex] and the mass of the object m=10 Kg. The minimum force needed to make it start moving is the maximum friction force:

Fr=0.5*10*9.8

Fr = 49 N

Answer: B. 49 N