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Alecsey [184]
2 years ago
9

Mass A forklift raises a box 1.2 m and does 7.0 kJ of work on it. What is the mass of the box?

Physics
1 answer:
Mamont248 [21]2 years ago
5 0

Answer:

Work and Kinetic Energy

A B

3. A 0.180 kg balls falls 2.5 m. How much work does the force of gravity do on the ball? 4.41 J

4. A forklift raises a box 1.2 m doing 7.0 kJ of work on it. What is the mass of the box? 595.24 kg

5. How much work does the force of gravity do when a 25 N object falls a distance of 3.5 m? 87.5 J

Explanation:

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Speakers A and B are vibrating in phase. They are directly facing each other, are 8.2 m apart, and are each playing a 78.0 Hz to
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Answer:6.298,4.1,1.9015

Explanation:

Wavelength=\frac{velocity of sound }{frequency}

=\frac{343}{78}=4.397 m

Distance of 3rd speaker from speaker A is x

From B 78-x

Difference between the distances must be a whole number of wavelengths

First

x-\left ( 8.2-x\right )=4.397    for 1 st wavelength

2x=8.2+4.397=12.597

x=6.298m

second

For zero wavelength

x-\left ( 8.2-x\right )=0

2x=8.2

x=4.1m

Third

\left ( 8.2-x\right )-x=4.397

x=1.9015 m

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3 years ago
An object with a higher temperature can have less thermal energy than an object
Anna [14]
It’s true, because it also depends on things like mass. Higher temperature but less mass< Lower temperature but more mass.
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3 years ago
What is the main cause of temperature changes in the atmosphere
Whitepunk [10]

Answer:

The main driver of climate change is the greenhouse effect. Some gases in the Earth's atmosphere

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2 years ago
2. Light waves of the wavelength of 650 nm and 500 nm produce interference fringes on a screen at a distance of 1m from a double
satela [25.4K]

Answer:

least distance= 13mm

ratio of the lattice = 1 : 0.71 : 0.58

Explanation:

given λ₁ = 650nm = 650×10⁻⁹m,  λ₂ = 500nm = 500×10⁻⁹m

5 0
3 years ago
A force of 20N acts upon a body whose weight is 9.8 N. What is the mass of the body and how much is its acceleration?
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Explanation:

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