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Sunny_sXe [5.5K]
3 years ago
5

The period of a mechanical wave is 5 seconds. What is the frequency of the wave?

Physics
1 answer:
viva [34]3 years ago
8 0
The frequency of a wave is just the reciprocal of the period.For this one . . .
Frequency  =  1/(period)  =  1/(5 sec)  =  0.2 per sec (0.2 Hz) .
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A ball is thrown into the air with 100 J of kinetic energy, which is transformed to gravitational potential energy
natka813 [3]

Answer:

Option A

Air resistance

Explanation:

Despite the law of conservation of energy stating that energy can neither be created nor destroyed but can only be transformed from one state to the other, the process of transformation is not 100% efficient since some energy losses occur due to friction and air resistance. Therefore, when the final energy is slightly less than the original dor this case, it's due to energy loss due to air resistance.

8 0
3 years ago
Kramer goes bowling and decides to employ the force of gravity to "pick up a spare." He rolls the 7.0-kg bowling ball very slowl
Rzqust [24]

Answer:

70.035nN

Explanation:

M₁ = 7.0kg

m₂ = 1.5kg

r = 0.1m

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Gravitational force (F) of an object is directly proportional to the product masses and inversely proportional to the square of their distance apart.

F = GM₁M₂ / r²

F = (6.67*10^-11 * 7.0 * 1.5) / (0.1)²

F = 7.0035*10^-10 / 0.01

F = 7.0035 * 10^-8 N

F = 70.035nN

The gravitational force acting on the bowling ball is 70.035nN.

3 0
3 years ago
Classical conditioning requires _____.
LekaFEV [45]
I would say A classical conditioning definitely demands a pairing of two stimuli
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5 0
3 years ago
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In the areas called pauses such as the tropopause, the temperature line is vertical. What does this indicate about the temperatu
ivolga24 [154]

Answer:

the answer is A

Explanation:  The vertical temperature line indicates no change in temperature at those altitudes.

6 0
3 years ago
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Think about the sound waves and light waves that are transmitted when you use a computer, watch TV, or use your phone. How are t
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Answer:

Light and sound waves are different in the sense that:

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Sound is a vibration in a medium

Light can be altered by a different medium

Same with sound

Explanation:

There's no answer list, but here are some answers.

8 0
3 years ago
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