3 years ago

Convert 60 km/ hr into m/s

1 answer:

4 0

Answer:

1 KM per minute is the real speed in minutes, turn that into 1000 meters per minute and divided by 60, you get a good number of 16.6666666667 which means you could go 50 meters per 3 seconds

Explanation:

so it would be 16.6666666667 meters per second

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Answer:

The platform move before coming to rest again 0.045 m far

Explanation:

Given

Ball is in motion

M (Platform mass + 2 people mass)

V (recoil velocity of the platform)

m (ball mass)

v (velocity ball)

MV + mv = 0

Distance of the platform movement is

t (time that the ball is in the air)

x = Vt

t = $\frac{L}{v - V}$

Knowing the platform and the ball are moving while the ball is in the air

x = $\frac{V}{v - V} * L$

Also knowing that

$\frac{V}{v} = \frac{-m}{M}$

This way,

x = $((\frac{V}{v}) * L) / (1 - \frac{V}{v})$ = $-\frac{m*L}{M + m} = -\frac{3.63 kg * 2.50 m}{198 kg + 3.63 kg} = -0.045 m$

The minus sign means the displacement of the platform is in opposite direction to the displacement of the ball.

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4 years ago

A crane lifts 1800kg mass through a vertical height of 6cm in 9 seconds, Taking (g) as 10N/kg. what is the cranes power output?

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Explanation:

power output=(1800×10×0.06)/9=120watts

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3 years ago

What is BEST to say about a runner who is running at a constant velocity? A. Their acceleration is positive. B. Their accelerati

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Answer:

Explanation:

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PLEASE HELP!!!! Explain why an object made from aluminum will not stick to a magnet

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