3 years ago

C 2000 pascals

Physics

1 answer:

Romashka [77]3 years ago

6 0

Answer:

C. bottle opener

B. Force x distance

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B.b 70 would be the answer

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ayo 20 m long is heated from a temperature of 5 degree celsius to 55 degree celsius if the change in length is 0.020 m calculate

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1. Of the following, the one that is not an example of a suspension is

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You are standing on a sheet of ice that covers the football stadium parking lot in Buffalo; there is negligible friction between

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Answer:

a) $u=0.05602\ m.s^{-1}$

b) $u'=0.0169\ m.s^{-1}$

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horizontal velocity of the ball, $u=10\ m.s^{-1}$

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$0.4\times 10=(71+0.4)\times u$

$u=0.05602\ m.s^{-1}$

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rebound velocity of the ball, $v'=7\ m.s^{-1}$

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If a particle with a charge of +4.3 × 10−18 C is attracted to another particle by a force of 6.5 × 10−8 N, what is the magnitude

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The magnitude of the electric field at this location is $1.5\times 10^{10} N/C$

<u>Explanation:</u>

Given

$Charge\ of\ the\ particle\ Q=4.3\times 10^-18\ C\\Force\ with\ which\ it\ is\ attracted\ F=6.5\times 10^-8\ N$

Electric field at this location determined by the force and charge.

E=F/Q

$E=\frac{6.5\times 10^-8}{4.3\times10^-18} =1.5\times\ 10^{10} \ N/C$

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4 years ago