3 years ago

The world's largest tires have a mass of 6000 kg

Physics

1 answer:

nikitadnepr [17]3 years ago

8 0

Okay! Thank you for this knowledge

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What is the resistance of a light bulb if 4.65 A flows through it when connected to a 85 V source?

marin [14]

Answer:

R = 18Ω

Explanation:

V = IR

R = V/I = 85/4.65 = 18Ω

5 0

3 years ago

Scientists have organized all forms of energy into two types—kinetic and potential. Kinetic energy is the energy of motion, and

mihalych1998 [28]

Answer:

Potential energy only

Explanation:

at the top of its swing the pendulum stops moving , (therefore it has no KINETIC energy) thus all of the energy is stored as potential energy.

7 0

3 years ago

A transformer with 1000 turns on the primary coil is used to decrease the voltage from 2500 V to 120 V for home use. How many tu

Katyanochek1 [597]

Answer:

The number of turns in the secondary coil is 48.

(B) is correct option.

Explanation:

Given that,

Number of turns on primary coil= 1000

Primary voltage = 2500 V

Secondary voltage = 120 v

We need to calculate the turns in the secondary coil

Using relation between voltage and number of turns in primary and secondary coil

$\dfrac{V_{s}}{V_{p}}=\dfrac{N_{s}}{N_{p}}$

Put the value into the formula

$\dfrac{120}{2500}=\dfrac{N_{s}}{1000}$

$N_{s}=\dfrac{120}{2500}\times1000$

$N_{s}=48\ turns$

Hence, The number of turns in the secondary coil is 48.

5 0

4 years ago

Give the reason of evidence and claim.

Sliva [168]

Answer:

it shows a black screen

Explanation:

6 0

3 years ago

Wavelength is measured in hertz true or false?

g100num [7]

Wavelength is measured in various units of distance (mm, cm, m, etc.). Frequency uses hertz, but that is not what the question is asking. Therefore, the answer is false.

3 0

3 years ago