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Mariana [72]
3 years ago
5

If your Stronger than Hisoka, and you know it, Clap your hands! Oh, wait.. That’s right! You don’t have any hands. Lol

Physics
2 answers:
Masteriza [31]3 years ago
5 0

Answer:

LOL free points tho

Explanation:

ddd [48]3 years ago
3 0

Answer:

Haha pretty funny

Explanation:

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planes gliders helecopters and rockets

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Average speed is the total distance divided by the
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C. Total time. The average speed is calculated by determining how far something has traveled and how long it took for it to get across that distance. The formula used to calculate average speed is as follows:

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Why is the simultaneous detection of methane and oxygen in an atmosphere a good indication of the existence of a biosphere on th
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6 0
4 years ago
3. Una máquina lanza un proyectil a una velocidad inicial de 110 m/s , con ángulo de 35°, Calcular: a) Posición del proyectil a
Semenov [28]

Answer:

a) X = 541,2 m

   Y = 199,6 m

b) V(6) = 90,28∠ 2,5⁰

c) t =  6,39 s  

d) t(t) = 12,80 s

e) Xmax =  1154,6 m

Explanation: Resolveremos  este problema con la aplicación directa de las formulas del movimiento de proyectil

a)  Coordenadas en el momento 6 segundos después del disparo

t = 6 s       y    V₀ = 110 m/s

X = X₀ + V₀*cosα*t           Y  =  Y₀ + V₀*senα*t - (9,8 /2)*t²

Al escoger nuestro sistema de coordenadas en el origen del movimiento

X₀ y Y₀   son 0

Entonces

X =  V₀*cosα*t       Y  = V₀*senα*t - (9,8 /2)*t²

α = 35°         cos α = 0,82      sen α = 0,57

X =  110*0,82*6

X = 541,2 m

Y = 110*0,57*6 - 4,9* (6)²

Y = 199,6 m

b) Vₓ  es constante a lo largo de todo el movimiento

Vₓ = V₀ₓ = V₀*cos α

Vx = 110 * 0,82  m/s

Vx = 90,2  m/s

Vy = V₀* sen α * - g*t

Vy = 110* 0,57 - 9,8* (6)

Vy = 62,7 - 58,8

Vy = 3,9 m/s

|V| = √ (Vx)² + (Vy)²

|V| = √ (90,2)² + (3,9)²

|V| = √ 8136,04 + 15,21

|V| = 90,28 m/s

Para calcular la dirección de la velocidad

tan θ = Vy/Vx

tanθ = 3,9/90,2

tanθ = 0,043

θ = arctan 0,043

Las tablas indican un valor entre 2 y 3 grados escogeremos 2,5⁰

θ = 2,5⁰

Es interesante notar que la Vy a los 6 segundos es muy baja (cercana a cero) y que también el angulo (2,5⁰) cercano a 0 da idea de que el movimiento está my cerca de la altura máxima (mitad del camino) donde   Vy = 0

entonces  V(6) = 90,28∠2,5⁰

c) Tiempo para altura máxima

La altura máxima se logra cuando  Vy = 0

Vy = V₀* sen α * - g*t          Si        Vy = 0    entonces

0 =  110* 0,57 - 9,8 *t         donde t es el tiempo para altura máxima

t =  6,40 s          ( como se había pronosticado )

Entonces el tiempo total del movimiento será 2*(6,40)  

t(t) = 12,80 s

e) El alcance logrado será:

Xmax = Vx *t(t)

Xmax =  90,2* 12,80

Xmax =  1154,6 m

5 0
3 years ago
An object is spun in a circle of radius 1.5m with a frequency of 6.0Hz. what is it’s velocity ?
Andreyy89

Answer:

56.55 m/s

Explanation:

Frequency=1/T

1/6 = 0.1666666

V=(2*pi*1.5)/0.166666

3 0
3 years ago
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