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zaharov [31]
3 years ago
7

A wave hits The Beach every 10 seconds whats its frequency?

Physics
1 answer:
natta225 [31]3 years ago
8 0

Answer:

<em>The frequency of the wave is 0.10 Hz </em>

Explanation:

Number of vibrations or number of waves per unit time is called frequency. The SI unit of frequency is Hz. It is given by the equation  

In this question time = 10 seconds

number of waves = 1

frequency= \frac {number of waves} {time interval} = \frac {1}{10} = 0.10 Hz

Frequency is a characteristic feature of waves. Other characteristics of a wave are time period, amplitude etc. Time period is the time taken for one complete vibration and frequency is obtained by taking the reciprocal of time period.

frequency F=1/T

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Step2247 [10]

elections moves from Stan's hair to the com making it negatively charged.

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4 years ago
Choose the true statements about electric fields and forces. (Choose 3)
aleksley [76]

Answer:

The three best answers are:

Electric fields can be positive or negative  (depending on source)

Electric fields can attrace or repel objets         (assuming the object is charged)

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3 0
2 years ago
1. Consider a 1000 kg car rounding a curve on a flat road of radius 50 m at a speed of
raketka [301]

Answer:

The car will make the turn perfectly

Explanation:

Given that the centripetal force= mv^2/r

M= mass of the car

v = speed of the car

r= radius

Hence;

F = 1000 × (14)^2/50

F= 3920 N

The frictional force = μmg

μ = coefficient of static friction

m= mass

g = acceleration due to gravity

Frictional force= 0.6 × 1000× 10

Frictional force = 6000 N

The car will not skid off the curve because the frictional force is greater than the centripetal force.

6 0
3 years ago
1. Dos puntos A y B están separados en línea recta 1475 m. Por el punto A pasa hacia el punto B un móvil con una velocidad de 15
ikadub [295]

Answer:

a) 35 sequndos   b) M1 = 600m   M2 = 875m

Explanation:

a)

Antes de que el otro móvil comience a moverse, el primer móvil ha viajado 5 segundos a una velocidad de 15 m / s.

5 segundos x 15 m / s = 75 metros.

Podemos establecer una ecuación con la información que conocemos. Juntos, en total, los dos recorren 1475 metros.

Voy a representar el tiempo como t. Un móvil ya ha recorrido 75 metros y hará otros 15 t. El otro aún no se ha movido y viajará 25t. Esos tres números se sumarán a 1475.

75 + 15t + 25t = 1475.

Resta 75 de ambos lados y suma términos similares de t: 40t = 1400

t = 35 segundos.

b)

Ahora tome la distancia recorrida por cada vehículo por separado y conecte 35 segundos para t.

Primer móvil: 75 + 15t = 75 + 15 (35) = 600m

Segundo móvil: 25t = 25 (35) = 875m

Usé un traductor para entender la pregunta y luego traduje lo que escribí. Lo siento si mi explicación no es clara.

6 0
4 years ago
Type the correct answer in the box. Round your answer to the nearest tenth. Dina has a mass of 50 kilograms and is waiting at th
katen-ka-za [31]
I guess once you input the numbers into the correct places into the equation it would look like this :
PE = 50 * 9.8 * 5.0
PE = 2,450
6 0
3 years ago
Read 2 more answers
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