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Stells [14]
3 years ago
7

Elizabeth notices that the temperature is dropping. What piece of lab equipment should she use to measure the change in temperat

ure?
A) hand lens
B) thermometer
C) spring scale
D) graduated cylinder
Physics
2 answers:
Sergeu [11.5K]3 years ago
8 0
Thermometer because that’s an equipment you would use to find out the temperature
bixtya [17]3 years ago
4 0

Answer:

thermometer

Explanation:

the thermometer measures temp.

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Tpy6a [65]
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3 years ago
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An ice cube sitting on a piece of wood would melt:
Aleksandr [31]
The answer would be slowly
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3 years ago
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Why wil an ice cube melt if it is compressed even if it remains at the same temp
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8 0
3 years ago
As a 2.0-kg object moves from (4.4 i + 5j) m to ( 11.6 i - 2j) m, the constant resultant force
fgiga [73]

Answer: 107.8\ J

Explanation:

Given

Initial position of object is (4.4 i+5 j)

Final position of object is (11.6 i -2 j)

Force acting (4i-9j)

Work done is given by

\Rightarrow W=F\cdot dx\\\Rightarrow W=(4i-9j)\cdot (11.6i-4.4i-2j-5j)\\\Rightarrow W=(4i-9j)\cdot (7.2i-7j)\\\Rightarrow W=28.8+63\\\Rightarrow W=91.8\ J

Initial kinetic energy

K_i=\dfrac{1}{2}\times 2\times 4^2\\\\K_i=16\ J

Change in kinetic energy is equal to work done by object

\Rightarrow K_f=K_i+W\\\Rightarrow K_f=16+91.8\\\Rightarrow K_f=107.8\ J

5 0
3 years ago
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