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emmainna [20.7K]
3 years ago
11

Krishne wants to measure the mass and volume of a thimble. Which tools should she use?

Physics
1 answer:
andrew11 [14]3 years ago
6 0
To measure the mass, you would use a balance. To measure the volume, you can use a variety of ounces, cups, pints, quarts, and gallons. Good luck!
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A physicist wants to measure the force required to push a heavy box up a ramp. What tools might the physicist use? What measurem
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Answer:

Dynamometer

Explanation:

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To view an interactive solution to a problem that is similar to this one, select Interactive Solution 7.24. A 0.0146-kg bullet i
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Answer:

0.25223 seconds.

Explanation:

m_1 = Mass of bullet = 0.0146 kg

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g = Acceleration due to gravity = 9.81 m/s²

As linear momentum is conserved

m_1u_1 + m_2u_2 =(m_1 + m_2)v

Now u_2=v as the block (with the bullet in it) reverses direction and rises,

m_1u_1 + m_2v =(m_1 + m_2)v\\\Rightarrow m_1u_1=(m_1 + m_2)v-m_2v\\\Rightarrow 0.0146\times 816=(0.0146 + 2.55)v-(-2.55v)\\\Rightarrow 11.9136=2.2646v+2.55v\\\Rightarrow 11.9136=4.8146v\\\Rightarrow v=\frac{11.9136}{4.8146}\\\Rightarrow v=2.47447\ m/s

Equation of motion

v=u+at\\\Rightarrow t=\frac{v-u}{a}\\\Rightarrow t=\frac{2.47447-0}{9.81}\\\Rightarrow t=0.25223\ s

The time t is 0.25223 seconds.

3 0
3 years ago
What is the definition for relative motion
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Relative motion is the calculation of the motion of an object with regard to some other moving object.
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Which object is in static equilibrium
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Answer:

The body is said to be in static equilibrium if the net force acting on a body at rest is zero.As the net force is zero,the body will not undergo motion.

Explanation:

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3 years ago
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Directions: Fill in the blank with the correct word. Choose from the list of possible answers in the word bank below:
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Answer:

1).atoms (3). mixture. (5). Element

2). particles (4). molecules (6). suspension

Explanation:

(7). Homogeneous (8). Heterogeneous

(9). compound (10). solutions

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3 years ago
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