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SashulF [63]
1 year ago
7

A current of 0.050 amps flows in a circuit element with a resistance of 25 ohms what is the voltage drop across the circuit elem

ent. (use ohms law V=IR)

Physics
1 answer:
katen-ka-za [31]1 year ago
3 0

The voltage drop across the circuit, given that 0.05 A flows in the circuit is 1.25 V

<h3>Ohm's law</h3>

This law states as follows:

V = IR

Where

  • V is the potential difference
  • I is the current
  • R is the resistor

<h3>How to determine the voltage</h3>

From the question given above, the following data were obtained:

  • Current (I) = 0.05 A
  • Resistance (R) =25 ohms
  • Voltage (V) =?

V = IR

V = 0.05 × 25

V = 1.25 V

Therefore, the voltage drop across the circuit is 1.25 V

<h3 />

Learn more about Ohm's law:

brainly.com/question/796939

#SPJ1

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Is a spring stores 5 J of energy when its conpresses by 0.5 m what is the spring constant of the spring?
d1i1m1o1n [39]

Answer:

k = 40 N/m

Explanation:

A spring's energy is given:

U = 0.5kx^2

U is the energy in the spring, k is the spring constant and x is the spring displacement.

We are told that the spring stores 5J of energy, therefore, U = 5J. We are also told that the spring is compressed by 0.5m, so the spring x = 0.5m

5 J = 0.5k(0.5m)^2\\5J = 0.5k(0.25m^2)\\5J = k*(0.125)m^2\\\\k = 5J/(0.125)m^2\\k = 40 N/m

k = 40 N/m

Hope this helps!

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If your brakes give out, why can't you just pull the keys out of the ignition?
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the pygmy shrew has an average mass of 2.0 g if 49 of these shrew are placed on a spring scale with a spring constant of 24 N/m
olga_2 [115]

Answer:

Spring's displacement, x = -0.04 meters.

Explanation:

Let the spring's displacement be x.

Given the following data;

Mass of each shrew, m = 2.0 g to kilograms = 2/1000 = 0.002 kg

Number of shrews, n = 49

Spring constant, k = 24 N/m

We know that acceleration due to gravity, g is equal to 9.8 m/s².

To find the spring's displacement;

At equilibrium position:

Fnet = Felastic + Fg = 0

But, Felastic = -kx

Total mass, Mt = nm

Fg = -Mt = -nmg

-kx -nmg = 0

Rearranging, we have;

kx = -nmg

Making x the subject of formula, we have;

x = \frac {-nmg}{k}

Substituting into the formula, we have;

x = \frac {-49*0.002*9.8}{24}

x = \frac {-0.9604}{24}

x = -0.04 m

Therefore, the spring's displacement is -0.04 meters.

3 0
2 years ago
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