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2 years ago

1. Quais motivos fazem com que o Croquet Golf seja a variação da

Physics

1 answer:

KiRa [710]2 years ago

3 0

Probablemente porque es un deporte tranquilo y relajante si de eso estás hablando

Espero que esto ayude

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1. What is the wavelength of a sound wave with a frequency of 50 Hz, if the Speed of sound is 343 m/s.

marshall27 [118]

1.6.86

2.59.04

3.3

Thats the answer I think

7 0

2 years ago

Hat do peaked roofs, convertible tops, and airplane wings have in common when air moves faster across their top surfaces? What d

Nutka1998 [239]

Answer:

Explanation:

The air moves faster across the top of the surface and exerts less pressure on the air below and thus due to difference in air pressure the top roof is lifted.

hence the correct option is pressure underneath them is reduced.

6 0

2 years ago

Read 2 more answers

A student throws a water balloon with speed v0 from a height h = 1.82 m at an angle θ = 29° above the horizontal toward a target

3241004551 [841]

Answer:

$v_o = 7.76 m/s$

Explanation:

As we projected the balloon at speed vo at an angle of 29 degree

so the two component of velocity is given as

$v_x = v_ocos29 = 0.875 v_o$

$v_y = v_o sin29 = 0.485 v_o$

now we know that in x direction we have

$d = v_x t$

$7.5 = 0.875 v_o t$

$v_o t = 8.57$

in y direction we have

$- 1.82 = (0.485 v_o) t - \frac{1}{2}gt^2$

$-1.82 = 0.485(8.57) - 4.9 t^2$

$t = 1.1 s$

now we have

$v_o = 7.76 m/s$

7 0

2 years ago

Suppose you have avogadro\'s number of mini marshmallows and use them to cover the state of california which has a land area of

Marta_Voda [28]

Avogadro's number is equal to 6.02 E 23

Thie means we have 6.02 E 23 marshmallows.

Assuming each marshmallow to be a small cylinder we can calculate the area of its base

Area circumference = pi*r² = pi * (0.635/2)² = 0.317 cm²

So, 6.02 E 23 marshmallows * 0.317 cm² cover a total area of

Area covered = 1.908 E 23 cm² = 1.908 E 13 km²

<span>The land area of california is 1.560 E 5 mi</span>² = 4.04 E 5 km²

If we divide the Areas >>>>

1.908 E 13 km² / 4.04 E 5 km² = 47. 227 E 6 (This is the number of times the area of California could be filled with those marshmallows)

Now for the height, we multiply this number times the height of each marshmallow

47. 227 E 6 * 2.54 cm = 119.96 E 6 cm = 1199.6 km above the surface

6 0

2 years ago

A certain pendulum oscillates back and forth every 3.00s . What would the new period be, in s , if the pendulum were one-half of

MAVERICK [17]

Answer:

2.122 second

Explanation:

T1 = 3 s

L1 = L

L2 = L/2

As we know the time period of a simple pendulum is related by the length of the pendulum as

$T =2\pi \sqrt{\frac{L}{g}}$