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Roman55 [17]
3 years ago
8

1. Plot the equation y = x + 1. Use the values shown for x to determine y.

Physics
1 answer:
-BARSIC- [3]3 years ago
3 0

how do I answer this question for you?

where is the button

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You dip your finger into a pan of water twice each second,producing waves with crests that are separated by 0.17 m.
____ [38]

Answer:

a) 2Hz

b) 0.5seconds

c) 0.34m/s

Explanation:

a) Frequency is defined as the number of oscillations completed by a wave in one second.

If my finger is dipped into a pan of water twice each second, it means that my hand has made 2 oscillations through the water in one second. An oscillation is a to and fro movement of a particle, body or wave through a medium.

Based on the conclusion, the frequency of the waterwaves will be 2Hertz or 2cycles/sec.

2) Period T of a wave is defined as the time taken by a wave to complete one oscillation. It is the reciprocal of the frequency of a wave.

T = 1/F

Given frequency = 2Hertz

T = 1/2

T = 0.5seconds

Period of the water wave is 0.5seconds

c) speed of the wave v is expressed according to the relationship:

velocity = frequency × wavelength

Given:

Frequency = 2Hertz

Wavelength = 0.17m (Since it is the difference between two successive crest or trough of a wave)

Velocity = 2×0.17

Velocity = 0.34m/s

5 0
3 years ago
An astronaut in deep space is at rest relative to a nearby space station. The astronaut needs to return to the space station. A
Paha777 [63]

Answer:

what u

Explanation:

know about rolling down in the deep when ue brain goes du m u can call that mental freeze when people talk to much puy that shi t on slow motion

7 0
3 years ago
Read 3 more answers
Bicycle A with mass 40 Kg is traveling with a velocity of 4 m/s and Bicycle B with mass 20 Kg is traveling with a velocity of 2m
andrew-mc [135]

Answer:

bicycle A has a greater K.E.

Explanation:

K.E = 1/2mv²

bicycle A = 1/2 × 40 × 4² = 320J

bicycle B = 1/2 × 20 × 2² = 100J

bicycle A has a greater K.E. because it has bigger mass and moves with faster velocity

7 0
3 years ago
PLEASE HELP ME I AM TIMED!
Leno4ka [110]

Answer:

Well my good friend the other person did not give U a good answer, it is actually the third one

Explanation: well it is the most logical of all the answers if you think about it and a lot of the creatures we have in the water today are thought of to have once lived on land based on the fossils we still find to this very day my friend

3 0
3 years ago
Firemen are shooting a stream of water at a burning building using a high-pressure hose that shoots out the water with a speed o
Mrac [35]

Answer:

a)α= 53.13°

b)The velocity at the highest point =  15 m/s

The acceleration at the highest point = 9.8m/s^2

c)h=15 m

V=18.02 m/s

Explanation:

Speed of water ,u= 25 m/s

So the horizontal component of speed u = u cos α

Given that horizontal distance cover by water in 3 s is 45 m.

So We know that in projectile motion horizontal acceleration is zero.

In horizontal direction

Distance = Velocity x time

45 =  u cos α  x 3

u cos α = 45

45 = 25 cos α x 3

 cos α = 45/75

α= 53.13°

So the velocity at the highest point =  u cos α

The velocity at the highest point =  15 m/s

The acceleration at the highest point = 9.8m/s^2

 Now the velocity along vertical direction(Vo) =  u sin α

      Vo= 25 sin 53.13°

Vo =20 m/s

h=V_o.t-\dfrac{1}{2}gt^2

h=20\times 3-\dfrac{1}{2}\times 10\times 3^2

h=15 m

So at 15 m above the ground water will strike .

The y-component of velocity after 3 sec

Vy= Vo - g t

Vy = 20 - 10 x 3

Vy= -10 m/s

The horizontal component of velocity will remain 15 m/s.

The resultant velocity

V=\sqrt{10^2+15^2}\ m/s

V=18.02 m/s

5 0
4 years ago
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