For a given input force , a ramp increases which of the following? A) height B) output force C) output work D) efficiency

Physics

1 answer:

kobusy [5.1K]3 years ago

5 0

<span>B) output force is correct</span>

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Answer:

t = 5 hr

Explanation:

Let kali moves toward east with velocity= V₁= 40 km/ h

Mat moves toward west with velocity = V₂= 50 km/hr

As Klai left one hour earlier = t₁= 1 hr

distance traveled in 1st hour = s₁ = v * t = 40 * 1 = 40 km

Remaining distance = 400 - 40 = 360 km

As they move in the opposite directions:

Relative speed= 40 + 50 = 90 km/ h

s = v * t

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⇒ t₂ = 360 / 90

⇒ t₂ = 4 hr

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A student obtained a clean dry glass-stoppered flask. she weighed the flask and stopper on an analytical balance and found the t

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First, calculate the mass of the water used. You do this by subtracting the original mass of the flask from the combined mass of the water and flask, giving:60.735 g - 31.601 g = 29.134 g
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A kettle full of water is brought to a boil in a room with temperature 20Â°c. after 15 minutes the temperature of the water has

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Answer: The temperature after another 5 minutes is 68.5Â°c

Explanation: Please see the attachments below