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lora16 [44]
3 years ago
10

What is the difference between mass and weight

Physics
1 answer:
Likurg_2 [28]3 years ago
5 0
Mass is a property of an object.  It doesn't change, no matter where the object is.

Weight is the gravitational force between two objects.  It depends on the masses
of both objects, and also on the distance between their centers, so it changes,
depending on the mass of the OTHER object involved, and on the distance
between them.
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If you dribble a basketball with a frequency of 1.77 Hz, how long does it take for you to complete 12 dribbles?
Licemer1 [7]
<h2>It takes 6.78 seconds to complete 12 dribbles.</h2>

Explanation:

Frequency of dribble = 1.77 Hz

That is

         Number of dribbles in 1 second = 1.77

         \texttt{Time taken for 1 dribble = }\frac{1}{1.77}=0.565s

Now we need to find how long does it take for you to complete 12 dribbles.

         Time taken for 12 dribbles = 12 x Time taken for 1 dribble

         Time taken for 12 dribbles = 12 x 0.565

         Time taken for 12 dribbles = 6.78 seconds      

It takes 6.78 seconds to complete 12 dribbles.  

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3 years ago
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3 years ago
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Un móvil parte del reposo y, al cabo de 5 s, alcanza una velocidad de 5 m/s; a
Lesechka [4]

Answer:

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3 years ago
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Harrizon [31]
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A magnetic B field of strength 0.9 T is perpendicular to a loop with an area of 3 m2. If the area of the loop is reduced to zero
Alexeev081 [22]

Answer:

The magnitude of induced emf is 5.4 V

Explanation:

Given:

Magnetic field B = 0.9 T

Area of loop \Delta A = 3 m^{2}

Time take to reduce loop to zero \Delta t = 0.5 sec

To find induced emf we use faraday's law,

Induced emf is given by,

  \epsilon = -\frac{\Delta \phi}{\Delta t}

Here minus sign shows lenz law, for finding magnitude of emf  we ignore it.

Where \phi = B\Delta A

Put the value of flux and find induced emf,

   \epsilon = \frac{B\Delta A}{\Delta t}

   \epsilon = \frac{0.9 \times 3}{0.5}

   \epsilon = 5.4 V

Therefore, the magnitude of induced emf is 5.4 V

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3 years ago
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