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Tanya [424]
2 years ago
10

A car accelerates from 0 m/s to 20 m/s in 5 seconds,

Physics
1 answer:
____ [38]2 years ago
8 0

Answer:

4

Explanation:

20-0=20 m/s

20/5=4 m/s2

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How much resistance is required to limit the current to 1.5 mA if the potential drop across the resistor is 6V
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The Pioneer 10 spacecraft has which of the following on board?
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7 0
2 years ago
Read 2 more answers
1. ¿Qué presión se ejerce sobre cada una de las cuatro patas de una mesa si su masa es de 20 kg y
mestny [16]
Tenemos.

Masa de la mesa = 20kg
Masa encima = 10kg
Masa total = 30kg
Area de cada pata = 20cm² = 20cm² * 1/10000cm² * 1m² =0,002m²

Presió(P)n que se ejerce sobre cada pata.

P =F/A
P = Masa por gravedad/A Masa = 30kg Gravedad =9,8m/s²
P =(30kg * 9,8m/s²)/0,002m²
P = 294kg * m/s²/0,002m² Pero kg *m/s² = Nw
P = 294Nw0,002m²
P = 147000 Nw/m² Pero Nw/m² = pa
p =1,47 * 10⁵ pa

Respuesta.
La presión que se ejerce sobre cada pata es de 1,47 * 10⁵pa
8 0
2 years ago
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