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Maurinko [17]
4 years ago
13

PLEASE HELP WILL GIVE 10 POINTS!!!!

Physics
2 answers:
Musya8 [376]4 years ago
6 0

Answer: Option (C) is the correct answer.

Explanation:

A quantitative data is defined as the data which can only be described in numbers or figures.  

For example, density of lead is 11.34 g/cm^{3}.

This is a quantitative data as density is represented in figures.

On the other hand, a data which describes the nature of a substance and that can only be described in words as there will be no figures or numerical data then it is known as a qualitative data.

For example, lead is solid at room temperature.

Thus, we can conclude that solid at room temperature is the property which Alisha placed in the wrong column.

agasfer [191]4 years ago
4 0
C because that isn't measurable that is can't be quantified
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A spring with a constant of 16 N/m has 98 J of energy stored in it when it is extended. How far is the spring extended?
Alchen [17]

The spring has been extended for 3.5 m

<u>Explanation:</u>

We have the formula,

PE =1/2 K X²

Rewrite the equation as

PE=1/2 K d²

multiply both the sides by 2/K to simplify the equation

2/k . PE= 1/2 K  d² . 2/K

√d²=√2PE/K

Cancelling the root value and now we have,

d=√2PE/k

d=√2×98 J / 16N/m

d=√12.25

d=3.5 m

The spring has been extended for 3.5 m

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6 0
4 years ago
When a mass of a cart is 10 kg, and an applied force is 5 N, The acceleration of the cart is
cestrela7 [59]

Answer:

0.5 m/s2

Explanation:

F = ma

5 = 10a

a = 5/10

a =0.5

8 0
3 years ago
Given a force of 88 N and an acceleration of 4 m/s2, what is the mass?
WARRIOR [948]
Newton's second law of motion says:

Force = (mass) x (acceleration)

88 = (mass) x (4)

Divide each side by 4 :

Mass = 22 kg.
7 0
4 years ago
A clock which has brass pendulum beats seconds correctly when the temperature of the room is 30° C. how many seconds will it gai
Andrei [34K]

Answer:A::C

Solution :

ΔT=

1

2

 

TαΔθ

rArr Δt=

ΔT

T1t

 

But T′≈T

∴Δt=

1

2

 

αΔθ(t)

=

1

2

 

×0.000012×20×24×3600

=10.37s

At higher temperture, length of pendulum clock will be more. So, time period will be more and it will lose the time.

Explanation:

7 0
3 years ago
A certain AM radio wave has a frequency of 1.12 x 100 Hz. Given that radio waves travel at
riadik2000 [5.3K]

Answer: 267 m

Explanation:

2.99x10^8 m/s

———————-

1.12 x 10^6 Hz

3 0
3 years ago
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