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posledela
3 years ago
12

Plz give me the answer of qiestion ofno 31

Physics
1 answer:
77julia77 [94]3 years ago
5 0
The resistance between A and B is 10 ohms.
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The rear window in a car is approximately a rectangle, 1.3 m wide and 0.30 m high. The inside rear-view mirror is 0.50 m from th
maria [59]

Answer:

Height of mirror 0.075 m

width of mirror 0.325 m  

Explanation:

given data

wide = 1.3 m

high = 0.30 m

driver’s eyes = 0.50 m

rear window = 1.50 m

solution

we take here height / width of the mirror  is

height / width   = \frac{h}{w}   .................1

and

height /width of the window is

height /width  = \frac{h_w}{w_w}   .................2

and

distance of eye / window by the mirror is

distance of eye / window = \frac{x_e}{x_w}      .................3

so here

θ = θi  = θr    ....................4

and  tanθ for vertical is

tanθ  = \frac{h}{x_e}  

tanθ  =  \frac{h_w}{(x_e + x_w)}       ....................5

so

h =   h_w \times  \frac{x_e}{(x_e + x_e)}     ....................6

put  here value and we get

h = 0.30 \times  \frac{0.50}{(0.50 + 1.50)}  

h = 0.075 m

and

when we take here tanθ for horizontal than it will be

tanθ = \frac{w}{x_e}    

tanθ = \frac{w_w}{(x_e + x_w)}       .......................7

so

w = w_w \times  \frac{x_e}{(x_e + x_w)}         ....................8

put here value and we get

w = 1.3 \times  \frac{0.50}{(0.50 + 1.50)}  

w = 0.325 m

7 0
3 years ago
A force 1500 n to a 100 kg car . what is the acceleration of the car
dezoksy [38]
F = ma

F 1500N
m = 100 kg

1500 = 100 * a

Solve for a.
3 0
3 years ago
What is the momentum of the wooden ball after the Collision
Rzqust [24]
Look it up on google copy and paste
7 0
3 years ago
An arrow is moving at 35 m/s and travels for 5 seconds. How far did the arrow travel?
noname [10]

Answer:

175m

Explanation:

So it’s travelling at 35metres/1second so if we want to find 5 seconds we can do this…

\frac{35}{1}  \frac{x}{5}....   so 35x5 ÷ 1 = 175m/5 seconds

6 0
3 years ago
Read 2 more answers
In a car crash inertia could cause you to crash into a windshield
Hunter-Best [27]

Answer:

yes inertia would cause you to crash into the windshield in an accident

6 0
3 years ago
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