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aleksandr82 [10.1K]
2 years ago
6

Heres some earned points

Physics
2 answers:
irina1246 [14]2 years ago
6 0

Answer:

wait again? okay well how was ur day?

Explanation:

egoroff_w [7]2 years ago
5 0

Answer:

what do you mean by that.

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Andrew [12]

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3 years ago
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A stationary boat in the ocean is experiencing waves from a storm. The waves move at 59 km/h and have a wavelength of 145 m . Th
krek1111 [17]

Answer:

The time elapses until the boat is first at the trough of a wave is 4.46 seconds.

Explanation:

Speed of the wave, v = 59 km/h = 16.38 m/s

Wavelength of the wave, \lambda=145\ m

If f is the frequency of the wave. The frequency of a wave is given by :

v=f\lambda\\\\f=\dfrac{v}{\lambda}\\\\f=\dfrac{16.38\ m/s}{145\ m}\\\\f=0.112\ Hz

The time period of the wave is given by :

T=\dfrac{1}{f}\\\\T=\dfrac{1}{0.112\ Hz}\\\\T=8.92\ s

We need to find the time elapses until the boat is first at the trough of a wave. So, the time will be half of the time period of the wave.

T=\dfrac{8.92}{2}\\\\T=4.46\ s

Hence, this is the required solution.

5 0
3 years ago
Why is the physics of hssc2 so difficult?
Ivan
Could be easy for some people and hard for some people.
8 0
3 years ago
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A bowler applies 14 N of force to a 4.5 kg bowling<br> ball. Find the ball's acceleration.
brilliants [131]

Answer:

F=m(a)  3.111

Explanation:

So to find the acceleration you would have to reverse the problem, a=F/m

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3 years ago
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