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Aleks [24]
1 year ago
12

The platofm on the school stage is 8 3/4 feet wide. each chair is 1 5/12 feet wide. how many chairs will fit acroos the platform

?
Physics
1 answer:
wariber [46]1 year ago
3 0

6 chairs will fit across the platform.

<h3>Calculation</h3>

We have a school stage of 8 3/4 feet wide.

It's also given that each chair is 1 5/12 feet wide.

To find out the number of chairs possible we can simply divide the total length available by width of the chair.

8 3/4 = 35/4

1 5/12 =17/12

So, 35/4 / 17/12

So, the final answer comes up to 6.

so, the total number of chairs that would fit in are 6.

To know more about random number intervals, visit:

brainly.com/question/13657605

#SPJ4

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If 200 grams of water is to be heated from 24.0 degrees Celsius to 100.0 degrees Celsius to make a cup of tea, how much heat mus
Colt1911 [192]
Conveniently, some scientists have already figured out how much heat energy it takes to increase the temperature of one gram of water by exactly 1 degree Celsius. That is called the specific heat of water and it's value is 4.184J/g.

So simply multiply the specific heat with the number of grams and the number of degrees C like this:

heat = 4.184J/g * 200g * 76^o C = 63,596.8J = 63.5968 kJ
5 0
3 years ago
Consider a blimp that can be approximated as a 3-m diameter, 8-m long ellipsoid and is connected to the ground. On a windless da
Marta_Voda [28]

Step 1 of 6

Diameter of the blimp,

Length of the blimp,

Rope tension,

The velocity of the wind,

Step 2 of 6

The drag force acting on the blimp can be calculated using the formula given below,

(1)

Where,  is the drag coefficient is the density of air.

A is the frontal area of the blimp.

V is the velocity of the wind.

Step 3 of 6

The frontal area of the parachute,

Here,

Substitute the value in the above equation.

The drag coefficient for the balloon is,

Step 4 of 6

From the table properties of air,

The density of air at 1atm pressure and  is,

The velocity of air,

Step 5 of 6

Now, substitute all the known values in equation (1)

Step 6 of 6

Now, rope tension is the sum of rope tension due to the buoyancy effect and the force due to the wind blowing.

Learn more about the velocity at

brainly.com/question/4931057

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5 0
2 years ago
An object is placed 45 cm in front of a crystal ball. The crystal ball has a radius of 14 cm, and is made from a glass with an i
abruzzese [7]

Answer:

Explanation:

 Using the formula for refraction at curved surface

For refraction at first surface

μ₂ /v -μ₁ /u = ( μ₂ - μ₁ )/R

1.5/v -1/-45 =.5/14

v = 111 cm

For refraction at opposite surface ,

u ( object distance ) = 111 - 28 =83 cm

It will act as virtual object for surface 2 so it will be positive in sign

again using the above equation for 2 nd surface we have

1/v - 1.5/83.17 = -.5-=/-14 = 1/28

v = 18.62 cm from second face.

yes, virtual image will be formed.

6 0
3 years ago
A car heading north collides at an intersection with a truck heading east. if they lock together and travel 28 m.s at 46 degrees
Dominik [7]

Answer:

C) 20 m/s

Explanation:

The collision of the car and truck will give a single resultant velocity due to equal masses.

We'll treat this question as a vector question.

The velocity profile will form a right angle triangle.

To calculate the velocity of the car

Let the velocity be x

Sina = x/28

Sin46= x/28

0.7193*28 = x

20 = x

X = 20 m/s

4 0
3 years ago
When the tube is filled with mercury vapor, as in this case, a sharp drop in the collected current is observed when the accelera
adell [148]

Answer:

4.9 eV .

Explanation:

It is the case of discharge through mercury tube light . In it , mercury  atoms are exited due to which electrons are sent to higher energy  level . Here current drops to zero because electrons are excited to higher level . Energy are absorbed in quantised manner . Energy absorbed by electrons will be 4.9 eV . That means , difference in energy  between two energy level is  4.9 eV .

3 0
3 years ago
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