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Schach [20]
3 years ago
15

The width, length, and height of a large, custom-made shipping crate are 1.12 m, 1.25 m, and 0.83 m, respectively. The volume of

the box using the correct number of significant figures is ________ m3. The width, length, and height of a large, custom-made shipping crate are 1.12 m, 1.25 m, and 0.83 m, respectively. The volume of the box using the correct number of significant figures is ________ m3. 1.16 1.2 1.1620 1.162 1.16200
Physics
1 answer:
KIM [24]3 years ago
4 0

Answer:

1.16 .

Explanation:

In the  product of two or more physical quantities , the number of places after decimal in the result  can never be more than least number of place after decimal in the quantities that are being multiplied .

Here numbers that are being multiplied are ,

1.12 , 1.25, and .83 , each containing two digits after decimal . So the product can not contain more than two digits after decimal . The principle behind it is that the result can not have more precision than the precision of  amount that are being multiplied.

so

1.12 x 1.25 x .83 = 1.162 to be rounded off to 1.16 .

The answer is 1.16.

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Which model below shows the positions of the Sun, Moon, and Earth that have the greatest effect on ocean tides?
Lynna [10]

<u>Answer:</u>

Below!

<u>Explanation:</u>

Referring to the picture, we can conclude that the picture J will have the most effect on ocean tides.

Whichever model is similar to model J in the picture will be your answer.

Hoped this helped.

6 0
2 years ago
Light-rail passenger trains that provide transportation within and between cities speed up and slow down with a nearly constant
Reika [66]

Answer:

v = 21 m / s

Explanation:

We can solve this exercise with the kinematics equations, let's start by finding the acceleration of the train with the initial data

            v = v₀ + a t

the initial speed is the speed within the city 6 m / s, the final speed is v = 11 m / s and the time is t = 8 s

             a = (v-v₀) / t

             a = (11 - 6) / 8

             a = 0.625 m / s²

when it leaves the city with speed vo = 11 m / s it accelerates for t = 16 s

            v = v₀ + a t

            v = 11 + 0.625 16

             v = 21 m / s

4 0
4 years ago
Which stars has the coolest surface temperature?
Delicious77 [7]

Answer:

Red Dwarf

Explanation:

  • Red Dwarf have low temperature having range from 2500 K to 4000 K.
  • They are red in appearance due to their low temperature.
  • Proxima Centauri is a red Dwarf.
  • They have low luminosity.
  • They have small mass and have high density.
5 0
4 years ago
An AC generator supplies 230 V peak voltage at 210 Hz frequency. How much power is dissipated in a resistor with R = 225 Ω resis
sesenic [268]

Answer:

The power dissipated in a resistor is 117.54 watts.

Explanation:

Given that,

Peak voltage of the Ac generator, V = 230 V

Frequency, f = 210 Hz

Resistance, R = 225 ohms

We need to find the power dissipated in a resistor. The power generated is given by :

P=\dfrac{V^2_{rms}}{R}

V_{rms}=\dfrac{V}{\sqrt{2} }\\\\V_{rms}=\dfrac{230}{\sqrt{2} } \\\\V_{rms}=162.63\ V

So,

P=\dfrac{162.63^2}{225}\\\\P=117.54\ W

So, the power dissipated in a resistor is 117.54 watts. Hence, this is the required solution.

7 0
4 years ago
What do the arrows in this photograph represent?
Anna35 [415]

Answer:

<u>The answer would be D) gravity and air resistance.</u>

4 0
2 years ago
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