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Nadusha1986 [10]
3 years ago
12

A diver sees a shark, panics, and holds his breath while going to the surface from a depth of 30 m (98 feet). What is likely to

happen
Physics
1 answer:
kherson [118]3 years ago
5 0
Answer: Mos likely to drown .
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What does a fossil of an ancient shark in kansas indicate?
sergij07 [2.7K]

The correct answer is:

That the land where it specifically was has been moving and that years ago that place was under water.

Explanation:

Kansas has been the cause of some of the most luxurious fossil findings in US history. The fossil record of Kansas spans from the Cambrian to the Pleistocene. From the Cambrian to the Devonian, Kansas was coated by a shallow sea.

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When you accelerate in a car and are pushed back into your seat, you are experiencing _______, which is registered by your _____
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E) linear motion; otolith organs 100%

Explanation:

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3 years ago
7. A photon of violet light has a frequency of 7.57 x 10' Hz. How much
hichkok12 [17]

Answer:

3.13 eV

Explanation:

E = hf

f =7.57 x 10' Hz.

h = 6.62× 10-34Js

E = 6.62× 10-34 × 7.57 x 10' Hz

E = 5.011× 10^ -30 J

1eV = 1.6×10^-19J

Hence ,

5.011× 10^ -30 J ÷1.6×10^-19J

= 3.132×10^-49

8 0
3 years ago
Which one is series and which one is parallel ( i give 20 points who answer )
slega [8]

Answer:

figure (a) L1 is series and L2 is parallel to L3

figure (b) L2 and L3 are parallel to L1

4 0
2 years ago
The resonance frequency of a driven RLC circuit is 1300 Hz. a. What is the resonance frequency if the resistance R is doubled?
Marta_Voda [28]

Answer:

a) f(R0) = 1000 Hz

b) f(R0) = 707.11 Hz

c) f(R0) = 707.11 Hz

d) f(R0) = 1000 Hz

e) f(R0) = 1000 Hz

Explanation:

Let R be the resistance of the circuit, L be the inductance of the circuit, C be the capacitance of the circuit, E_0 be the peak emf of the circuit, f be the frequency f(R) be initial resonance frequency of the circuit and f(R0) be the new respective resonance frequency in each question.

In an RCL circuit

f(R) = 1/2×π×√LC

a) f(R0) = 1000 Hz

The resonance frequency remains the same as it does not depend of resistance

b) f(R0) = 1/2×π×√2LC

f(R0)/1000 = √L/√2L

f(R0) = 7071 Hz

c) f(R0) = 1/2×π×√L2C

f(R0)/1000 = √C/√2C

f(R0) = 707.11 Hz

d)  f(R0) = 1000 Hz

The resonance frequency remains the same as it does not depend on the emf

e)   f(R0) = 1000 Hz

The resonance frequency remains the same as it does not depend of frequency

6 0
4 years ago
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