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ExtremeBDS [4]
3 years ago
11

If an object weighs 40N, calculate the mass (gravity = 9.8m/s^2)​

Physics
1 answer:
Elan Coil [88]3 years ago
4 0

Answer:

4.08 kg

Explanation:

We can apply the Newton's second law of motion to find the mass of this object:

F=ma,

where m is mass, and a is acceleration, which is substituted by g here. Now, plugging given numbers in the equation, we have

40=m\cdot9.8.

Solving for mass, we have

m=\frac{40}{9.8}\\=4.08 \;\text{kg}.

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D

Explanation:

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Answer:

Option D. is correct

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Daniel Levinson found that men and women go through the same stages of development, differ in terms of their social roles and identities, and deal with the development tasks in each stage differently.

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7 0
3 years ago
A wire is formed into a circle having a diameter of 19.0 cm and placed in a uniform magnetic field of 3.40 mT. The wire carries
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Answer:

Explanation:

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magnetic moment = area x current

M = 283.38 x 10⁻⁴ x 5

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= 4817.46 x 10⁻⁷

= 481.7 x 10⁻⁶

= 481.7 μ J

Energy = - MBcosθ

Max  energy  when θ = 180

MB = 4817.46 x 10⁻⁷ J

Min energy = - 4817.46 x 10⁻⁷  for θ = 0

7 0
3 years ago
The speed of sound in steel is 5000 m/s. What is the wavelength of a sound wave of frequency 660 Hz in steel?
Bingel [31]

Answer:7.58 m

Explanation:

5 0
3 years ago
hummingbird beat its wings up and down with a frequency of 65 hz. what is the period of the hummingbirds flaps?
kakasveta [241]

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7 0
3 years ago
Read 2 more answers
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