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Ivahew [28]
4 years ago
12

The change in isotopes over time due to the emission of radioactive particles is known as

Physics
2 answers:
Oxana [17]4 years ago
5 0
The change in isotopes over time due to the emission of radioactive particles is known as A. <span>A. radioactive decay. Radioactive decay is possible to radioactive materials such as uranium and is characterized by its half-life which the amount of time needed to decrease the amount of the material by one-half</span>
Andreyy894 years ago
5 0
I Believe it's A. Radioactive Decay.
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a car company claims that its car can accelerate from rest to a speed of 28.0 m/s in 20.0 s. find the average acceleration of th
elixir [45]

tje average acceleration of the car is

\frac{28}{20}  = 1.4

the average acceleration of the car is 1.4 m/s

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3 years ago
1. Which object has the greatest inertia?
Digiron [165]

Answer:

1.c,2.c,3.a,4.d

Explanation:

the following answer are listed with there number

7 0
4 years ago
Hii! help asap. i’ll give brainliest thanks!
telo118 [61]
Its acceleration will change
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3 years ago
Which of the following are heterogeneous mixtures (not homogeneous mixtures)?
BARSIC [14]
The following are heterogeneous mixture: MILK THAT IS SOLD AT THE STORE, A CAKE MIX AND MIXED NUT.An heterogeneous mixture is one which contained many parts which can be separated out.A smoothie is an homogeneous mixture because the juice of different fruits that are use can not be separated out.
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5 0
3 years ago
A penguin slides at a constant velocity of 3.57 m/s down an icy incline. The incline slopes above the horizontal at an angle of
igomit [66]

Answer:t=0.81 s

Explanation:

Given

Penguin slides down with constant velocity of 3.57 m/s

as the Penguin Slides with constant velocity therefore F_{net} is zero on Penguin

F_{net}=mg\sin \theta -f_r

f_r=friction Force

f_r=\mu mg

\mu =coefficient of Kinetic friction

mg\sin \theta =\mu mg

\tan \theta =\mu

\mu =\tan 9.85=0.45

after reaching on floor final velocity of penguin will be zero after time t

thus

v=u+at

here a=\mu g

a=0.45\times 9.8=4.41  (deceleration)

0=3.57-4.41\times t

t=\frac{3.57}{4.41}=0.809

t=0.81 s

8 0
3 years ago
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