2 years ago

Whoever get this right gets free cookies. best deal. ( BASIC PHYSICS QUESTION )

Physics

1 answer:

Kitty [74]2 years ago

3 0

Answer:

600

Explanation:

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2. Jak myślisz, dlaczego w naszym słowniku bez problemu odnajdziemy następujące wyrażenia

Juliette [100K]

Answer:

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Explanation:

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3 years ago

What type of heat transfer is happening when the sun warms your face

Talja [164]

Answer:it might be radiation

Explanation:

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A bus travels a distance of 120 km with a speed of 40km per hour and returns with a speed of 30km per hour calculate the average

Vsevolod [243]

Answer:

35 km/hr

Explanation:

Average speed = (total of the speed)/(the sets of speeds given)

Direction does not matter in this instance since speed is only magnitude,

Average speed = (30 + 40)/2

Average speed = 70 ÷ 2

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2 years ago

Calculate the Earth's linear momentum, in kilogram meters per second.

Irina18 [472]

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2 years ago

A fire helicopter carries a 700-kg bucket of water at the end of a 20.0-m long cable. Flying back from a fire at a constant spee

rodikova [14]

Answer:

F = 50636.873 N

Explanation:

given,

bucket of water = 700-kg

length of cable = 20 m

Speed = 40 m/s

angle of the cable = 38.0°

let air resistance be = F

tension in rope be = T

T cos 38° = m×g..................(1)

$T sin 38^0= \dfrac{mv^2}{l} + F$ ..........(2)

equation (1)/(2)

$tan 38^0 =\dfrac{\dfrac{mv^2}{l} + F}{mg}$

$0.781=\dfrac{\dfrac{700\times 40^2}{20} + F}{700\times 9.8}$

F = 50636.873 N

Hence the force exerted on the bucket is equal to F = 50636.873 N

5 0

2 years ago