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3 years ago

What is the main color of a zucchini?

Physics

2 answers:

pav-90 [236]3 years ago

4 0

Answer:

orange

Explanation:

MariettaO [177]3 years ago

4 0

Uhhhh i think it is fried rice

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The MRI (Magnetic Resonance Imaging) body scanners used in hospitals operate at a frequency of 400 MHz (M = 106 ). Calculate the

horrorfan [7]

Answer:

Energy, $E=2.65\times 10^{-25}\ J$

Explanation:

It is given that,

The MRI (Magnetic Resonance Imaging) body scanners used in hospitals operate at a frequency of 400 MHz,

$\nu=400\ MHz=400\times 10^6\ Hz=4\times 10^8\ Hz$

We need to find the energy for a photon having this frequency. The energy of a photon is given by :

$E=h\nu$

$E=6.63\times 10^{-34}\ J-s\times 4\times 10^8\ Hz$

$E=2.65\times 10^{-25}\ J$

So, the energy of the photon is $2.65\times 10^{-25}\ J$ . Hence, this is the required solution.

6 0

3 years ago

A 500-g lump of clay is dropped onto a 1-kg cart moving at 60 cm/s. The clay is moving downward at 30 cm/s just before l dith t

viktelen [127]

Answer:

The speed of the cart and clay after the collision is 50 cm/s .

Explanation:

Given :

Mass of lump , m = 500 g = 0.5 kg .

Velocity of lump , v = 30 cm/s .

Mass of cart , M = 1 kg .

Velocity of cart , V = 60 cm/s .

We know by conservation of momentum :

$mv+MV=(m+M)v'$

Here , $v'$ is the speed of the cart and clay after the collision .

Putting all value in above equation .

We get :

$0.5\times 30+1\times 60=(0.5+1)\times v'\\\\v'=\dfrac{15+60}{1.5}\\\\v'=50\ cm/s$

Hence , this is the required solution .

3 0

3 years ago

Caculate the acceleration of an airplane that goes from 0 knots to 400 knots in 8 seconds

mafiozo [28]

400 divided by 8 is 50, so its acceleration is 50 knots per second, meaning its speed is increasing by 50 every second.

3 0

3 years ago

What other ideas could have been influenced by plato’s cave.

fiasKO [112]

Answer:

The story he tells about the cave could have influenced different modern day ideas. Some examples might include religion, abuse, and imprisonment.

Explanation: :)

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2 years ago

Indicate all ways in which the graph used in question 4 would change if the Normal Force applied to the object was increased. Be

Maksim231197 [3]

Answer:

Answer:

PLEASE BRAINLESS ME INEED

# CARRY ON LEARNINGAnswer:

PLEASE BRAINLESS ME INEED

# CARRY ON LEARNING

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3 years ago