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mixas84 [53]
3 years ago
7

Denise is conducting a physics experiment to measure the acceleration of a falling object when it slows down and comes to a stop

. She drops a wooden block with a mass of 0.5 kilograms on a sensor on the floor. The sensor measures the force of the impact as 4.9 newtons. What’s the acceleration of the wooden block when it hits the sensor? Use F = ma.
A. 2.45 m/s2

B. 4.4 m/s2

C. 5.4 m/s2

D. 9.8 m/s2
Physics
1 answer:
77julia77 [94]3 years ago
7 0

Answer: The answer is D. (9.8 m/s2)

Explanation:

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Answer:

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Explanation:

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3 years ago
Cuando el pistón tiene un volumen de 2x10^-4 m^3, el gas en el pistón está a una presión de 150 kPa. El área del pistón es 0.001
Vlad1618 [11]

Answer:

F = 1.128 10⁸ Pa

Explanation:

Pressure is defined by

         P = F / A

If the gas is ideal for equal force eds on all the walls, so on the piston area we have

        F = P A

We reduce the pressure to the SI system

       P = 150 kpa (1000 Pa / 1kPa = 150 103 Pa

we calculate

       F = 150 10³ / 0.00133

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3 0
2 years ago
What is the mass of a substance with a density of 9g/cm3 and a volume of 4cm3
Kazeer [188]

Answer:

p= 3 g/cm³

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p= (9)/(3)

p= 3

p= 3 g/cm³

Explanation:

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Ne4ueva [31]
<span>Rising or falling, it does not change.</span>
5 0
3 years ago
a boy takes 15min to reach his school on bicycle.if the bicycle have speed of 2m/s the what is the distance between the house an
11111nata11111 [884]
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So 15 x 2 = 30

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6 0
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