3 years ago

What is the function of a hypothesis in the scientific inquiry process

Physics

1 answer:

iris [78.8K]3 years ago

8 0

You can use them by analyzing the way you can solve it.

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How much of earths gravitational force acts on everyone and everything onboard of the international space station?

liraira [26]

B) Approx. 90%

The actual value is 0.89g

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3 years ago

A 45.0 kg ice skater needs a 25 N horizontal force to get moving on a smooth ice surface. What is the coefficient of friction be

SVEN [57.7K]

The horizontal force : f = k*N
k- coefficient of friction
k = f /N
N = m * g = 45 kg * 9.81 m/s² = 441.45 N
k = 25 N : 441.45 N = 0.057
Answer C) 0.057

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2 years ago

What is the speed of the animal from 0-20s? 50 m/s 0.4 m/s 20 m/s 2.5 m/s

Shkiper50 [21]

Answer:

2.5 m/s

Explanation:

The speed of the animal is given by the ratio between the distance travelled by the animal and the time elapsed:

$v=\frac{d}{t}$

where d is the distance travelled and t the time elapsed. Note that this quantity is also equal to the slope of the curve.

In the time interval 0-20 s, we have

d = 50 m - 0 m = 50 m

t = 20 s - 0 s = 20 s

So, the speed is

$v=\frac{50 m}{20 s}=2.5 m/s$

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2 years ago

According to Newton's 2nd law of motion, if you hit a baseball with a bat it will _____.

shtirl [24]

Newton's second law says that the acceleration of an object is produced by the force exerted on it.
Having this in mind, if you hit a baseball with a bat it will accelerate according to the applied force.

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3 years ago

Read 2 more answers

HOW do I find 25? *picture included* plz answerrr

pogonyaev

Subtract all numbers to your answer

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3 years ago