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2 years ago

Scientists use radioactive decay to measure

Physics

2 answers:

UNO [17]2 years ago

5 0

Answer:

"Scientist use radioactive decay to measure the age of a rock or fossil."

Explanation:

"To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events."

Luda [366]2 years ago

5 0

Radiometric dating, often called radioactive dating, is a technique used to determine the age of materials such as rocks. It is based on a comparison between the observed abundance of a naturally occurring radioactive isotope and its decay products, using known decay rates. Hope this helps! Mark brainly please!

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How far will a car travel in 25 seconds at 10m/ min

Kryger [21]

Time = 25s
speed = 10m/min
= 10m / 60
= (1/6)m/s

distance = speed × time
= 25 × (1/6)
=4.167m

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3 years ago

Mrs. LaCross leaves school and accidentally leaves her coffee mug on the roof of her car as shown in the picture below.

aleksandrvk [35]

Answer:

When she stops at a fast pace the energy and wind will take the cup forward and it will most likeley brake

Explanation:

I'm not entirely sure this is what you were looking for but I hope this helped!

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2 years ago

Unit 2 Lesson 9: Temperature & Heat Unit Test does anyone have the answers

IRISSAK [1]

Explanation:

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2 years ago

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A(n) 1946 kg car travels at a speed of 10 m/s . What is its kinetic energy ? Answer in units of J.

erica [24]

Answer:

KE=97300J

Explanation:

KE=1/2mv^2

KE=1/2(1946)(10)^2

KE=97300J

4 0

2 years ago

In this experiment you will investigate which of the following properties of Faraday's law of electromagnetic induction? (Select

11Alexandr11 [23.1K]

Answer:

Answered

Explanation:

Part A

According to Faraday's law the induced emf in coil is equal to negative of its rate of change of magnetic flux time the number of turns in the coil.

$\epsilon = -N\frac{d\phi}{dt}$ = $-N\Delta\frac{BA}{\Delta t}$

When an emf generated by a change of magnetic flux, produced current of whose magnetic field opposes the change which produces it.

By the above equation the correct options are 1,2 and 4

Part B

Large signals of frequency of 60Hz are measured by osciloscope.

Hence the correct option is part 1.

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3 years ago