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Rama09 [41]
3 years ago
5

Explain it with method....

Physics
2 answers:
spin [16.1K]3 years ago
7 0

Answer:

idk

Explanation:

marin [14]3 years ago
3 0
B 80 ms -1 hope this helps
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Josie ran at an average speed of 16 m/s. if her mass 10 kg, what was her kinetic energy as she crosses her finish line?
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Answer: 1280 J

KE=\frac{1}{2}mv^{2}  \\\\KE= \frac{1}{2} (10 kg)(16 m/s)^2\\=1280 J

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1 year ago
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The formation of lactic acid in human muscle most closely associated with
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3 years ago
1. An object of mass 300 kg is observed to
vekshin1

Answer:

The force required will be "300 N".

Explanation:

The given values are:

Mass of object,

m = 300 kg

Acceleration,

a = 1 m/s

Now,

The force will be:

⇒  F=m\times a

On substituting the values, we get

⇒      = 300\times 1

⇒      =300 \ N

4 0
2 years ago
A 25 - kg television set rests on four rubber pads , each having a height of 1 . 0 cm and a radius of 0 . 60 cm . A 200 - N hori
Svetlanka [38]

Answer:

Thus it moves 1.7 mm sideways

Solution:

As per the question:

Mass of the television, m = 25 kg

Height of the rubber pads, h = 1.0 cm = 0.01 m

Radius, R = 0.60 cm = 0.006 m

Horizontal force, F = 200 N

Shear Modulus of Rubber, G = 2.6\times 10^{6}\ N/m^{2}

Now,

To calculate the distance moved:

G = \frac{shear\ stress}{shear\ strain}

G = \frac{\frac{Force}{Area}}{\frac{\Delta l}{L}} = \frac{Fl}{A\Delta L}

where

\Delta L = distance moved

Area of 4 rubber pads, A = 4\times \pi R^{2}

Now,

\Delta L = \frac{200\times 0.01}{4\times \pi 0.006^{2}\times 2.6\times 10^{6}} = 1.7\times 10^{- 3}\ m = 1.7\ mm

6 0
3 years ago
Could a vector ever be shorter than one of its components? Equal in length to one of its components? Explain.
Kruka [31]
No the vector can never be shorter than one of its components
7 0
3 years ago
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