3 years ago

The graph is the path Beth took on a walk.

Physics

1 answer:

Rudiy273 years ago

8 0

Answer:

could you add a picture?

Explanation:

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A helicopter and a jet airplane must work against gravity in order to fly. Which one flys faster

Gre4nikov [31]

Im pretty sure the jet airplane is faster

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4 years ago

When you set something down on the ground wht kind of work are your arms doing?

umka2103 [35]

When we set something down on the ground, the kind of work that our arms doing is : negative apex
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4 years ago

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how fast is a ball going when it hits the ground after being dropped from a height of 16m the acceleration of gravity is 9.8

Aneli [31]

Answer:

17.7 m/s

Explanation:

Given:

y₀ = 0 m

y = 16 m

v₀ = 0 m/s

a = 9.8 m/s²

Find: v

v² = v₀² + 2a (y − y₀)

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v = 17.7 m/s

The ball is moving at a speed of 17.7 m/s when it hits the ground.

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3 years ago

For light elements, what is the ratio of neutrons to protons that predicts a stable nucleus?

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The ratio would be 1:1 or in other terms the number of protons are equal to the number of neutrons and vice-versa.

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3 years ago

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A person who weighs 685 N steps onto a spring scale in the bathroom, and the spring compresses by 0.88 cm. (a) What is the sprin

kotykmax [81]

To solve this problem it is necessary to use the concepts of Force of a spring through Hooke's law, therefore,

$F = kx$

Where,

k = Spring constant

x = Displacement

Initially our values are given,

$F = 685N$

$x = 0.88 cm$

PART A ) With this values we can calculate the spring constant rearranging the previous equation,

$k = \frac{F}{x}$

$k = \frac{685}{0.88*10^-2}$

$k = 77840.9N/m$

PART B) Since the constant is unique to the spring, we can now calculate the force through the new elongation (0.38cm), that is

$F = kx$

$F = (77840.9)(0.0038)$

$F = 295.79N$

Therefore the weight of another person is 265.79N.

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3 years ago