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3 years ago

_____ you remember to put the lid back on the jar of mayonnaise

Physics

1 answer:

Lilit [14]3 years ago

7 0

Answer:

Did you remember to put the lid back on the jar of mayonnaise?

Explanation: Hope this helps :)

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A physicist is constructing a solenoid. She has a roll of insulated copper wire and a power supply. She winds a single layer of

Leni [432]

Answer:

P =105.44 W

Explanation:

Given that

D= 10 cm ,L= 60 cm

d= 0.1 cm ,B= 6.4 mT

ρ= 1.7 x 10⁻⁸ Ω · m

The number of turns N

N= L/d

N= 60/0.1 = 600 turns

Length of wire

Lc= πDN

Lc= 3.14 x 0.1 x 600

Lc=188.4 m

The magnetic filed given as

$B=\dfrac{\mu_oNI}{L}$

$I=\dfrac{BL}{\mu_oN}$

Now by putting the values

$I=\dfrac{0.0064\times 0.6}{4\pi \times 10^{-7}\times 600}$

I=5.09 A

The resistance R given as

$R=\dfrac{\rho L_c}{A}$

$A=\dfrac{\pi}{4}\times d^2$

$A=\dfrac{\pi}{4}\times (0.1\times 10^{-2})^2$

$R=\dfrac{1.7\times 10^{-8} \times 188.4}{\dfrac{\pi}{4}\times (0.1\times 10^{-2})^2}$

R=4.07 Ω

Power P

p =I²R

P= 5.09² x 4.07 W

P =105.44 W

5 0

3 years ago

Describe the conditions which will cause a rock fracture!<br> Plz hurry

Naya [18.7K]

Answer:

A fracture will sometimes form a deep fissure or crevice in the rock. Fractures are commonly caused by stress exceeding the rock strength, causing the rock to lose cohesion along its weakest plane. Fractures can provide permeability for fluid movement, such as water or hydrocarbons.

Explanation:

5 0

3 years ago

Johan's race time was 45.03 seconds. Kyle's race time was 0.1 second less than Johan's time. What was Kyle's race time?

frutty [35]

Wouldn’t that just be 44.93 seconds?

6 0

3 years ago

The height of a helicopter above the ground is given by h = 2.80t3, where h is in meters and t is in seconds. At t = 1.55 s, the

PSYCHO15rus [73]

H = 2.80t^3

h = 2.80 (1.55)^3 = 10.43

10.43 = 1/2 gt^2

10.43 x 2/9.8 = t^2

t = √2.12

= 1.45

Hope this helps

6 0

3 years ago

Read 2 more answers

Question 8 of 10

Stels [109]

I will mark you brainlist please help

1) A ball is thrown with the speed of 10 m/s from the 1st stair. The height of each stair is 10cm and the width is 15 cm. on which stair the ball will fall

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3 years ago

_____ you remember to put the lid back on the jar of mayonnaise​

_____ you remember to put the lid back on the jar of mayonnaise