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1 year ago

Marie curie was a scientist who won two nobel prizes in the early 1900s for her work with.

1 answer:

4 0

She remains the only person to be honored for accomplishments in two separate sciences. Curie received the Nobel Prize in Physics in 1903, <u>along with her husband and Henri Becquerel, </u>for their work on radioactivity.

<h3>What did Marie Curie discover?</h3>

Relentless regardless of a vocation of truly requesting and at last lethal work, she found polonium and radium, supported the utilization of radiation in medication and essentially changed how we might interpret radioactivity. Curie was conceived Marya Skłodowska in 1867 in Warsaw.

Curie was the first person to win two Nobel Prizes.
She managed it all without a fancy lab.
Nobel Prizes were a family affair.
Curie was the first female professor at Sorbonne University.
Curie is buried in the Panthéon in Paris.

To learn more about Marie Curie from the given link

brainly.com/question/1160057

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When we get out of the bed on a very cold morning, we feel that the air of the room is cold. But when we come back after staying

S_A_V [24]

Answer:

This is because the air outside is always cooler than the air inside, so after staying outside your body adapts to the cold air, when you come back inside, the cold air is still in you which makes the room seem warmer.

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3 years ago

You pull with a force of 295 N on a rope that is attached to a block of mass 22 kg, and the block slides across the floor at a c

Sergeeva-Olga [200]

Answer:

Fnet = 0

Explanation:

Since the block slides across the floor at constant speed, this means that it's not accelerated.
According Newton's 2nd Law, if the acceleration is zero, the net force on the sliding mass must be zero.
This means that there must be a friction force opposing to the horizontal component of the applied force, equal in magnitude to it:

$F_{appx} = F_{app} * cos \theta = 295 N * cos 35 = 242 N (1)$

In the vertical direction, the block is not accelerated either, so the sum of the normal force and the vertical component of the applied force, must be equal in magnitude to the force of gravity on the block:

$F_{appy} = F_{app} * cos \theta = 295 N * sin 35 = 169 N (2)$

⇒ 169 N + Fn = Fg = 216 N (3)

This means that there must be a normal force equal to the difference between Fappy and Fg, as follows:
Fn = 216 N - 169 N = 47 N (4)

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3 years ago

An electric heater rated 500 W operates 24 hours/ day. what is the cost of energy to operate it for 20 days at Rs. 2.00 per kWh

Rina8888 [55]

Answer:

Rs. 480.00

Explanation:

1kW = 1000W

therefore 500W = 0.5kW

20 × 24hrs = 480hrs in total.

0.5kW × 480hrs = 240kWh

if rs. 2 for 1kWh

then, 240kWh × 2 = Rs. 480.

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2 years ago

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What are used by organisms for long-term energy storage

kifflom [539]

Answer:

Fatty acids.

Explanation:

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-Fatty acids are more calori dense hence them being ideal for long term energy storage.

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3 years ago

When you drive a car around a curve that is not banked, what force provides the centripetal acceleration? HINT: Think about turn

algol [13]

The centripetal force is provided by the friction between the tyres and the ground. That's why a car will slip on ice, because there is less friction.

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3 years ago

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