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Neporo4naja [7]
3 years ago
7

Calculate the period of wave whose frequency is 50Hz​

Physics
2 answers:
harkovskaia [24]3 years ago
8 0

Answer:

0.02 sec

here.

frequency=50 Hz

we know that time period = 1/f

=1/50

=0.02sec

miss Akunina [59]3 years ago
5 0

Explanation:

time period= 1/frequency.

= 1/50 = 0.02 second.

hope this helps you.

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A bullet has a mass of 8 grams and a muzzle velocity of 340m/sec. A baseball has a mass of 0.2kg and is thrown by the pitcher at
Thepotemich [5.8K]

Answer:

Momentum of bullet

P = 2.72 kg m/s

momentum of baseball

P = 8 kg m/s

Explanation:

As we know that momentum is defined as the product of mass and velocity

here we know that

mass of the bullet = 8 gram

velocity of bullet = 340 m/s

momentum of the bullet is given as

P = mv

P = (\frac{8}{1000})(340)

P = 2.72 kg m/s

Now we have

mass of baseball = 0.2 kg

velocity of baseball = 40 m/s[/tex]

momentum of baseball is given as

P = (0.2)(40)

P = 8 kg m/s

3 0
3 years ago
(HELP PLEASEE) An object is 40.0 cm from a
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Answer:

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Explanation:

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6 0
3 years ago
Calculate the acceleration of a bus full speed changes from 6 miles to 12 miles over a period of three seconds
Jet001 [13]

Answer:

0.90m/s²

Explanation:

Given parameters:

Initial speed  = 6miles/hr

Final speed  = 12miles/hr

Time taken = 3 seconds

Unknown:

Acceleration = ?

Solution:

Acceleration is the rate of change of velocity with time. It is mathematically given as:

         Acceleration  = \frac{Final speed - Initial speed}{Time}

We need to convert miles/hr to meters/seconds

Initial speed = 6 x \frac{miles }{hour} x \frac{1hr}{3600s}  x \frac{1609.34m}{1mile}

                      = 2.68m/s

Final speed = 12 x \frac{1609.34}{3600}  = 5.37m/s

      Acceleration  = \frac{5.37  - 2.68}{3}   = 0.90m/s²

4 0
3 years ago
Please help me out please
kirill [66]

Answer:

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Explanation:

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4 0
4 years ago
Zona onde não incide luz visível devido à interposição de um objeto opaco.
m_a_m_a [10]

Answer:

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Explanation:

8 0
3 years ago
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