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Likurg_2 [28]
3 years ago
5

Why are multiple images seen when two plane mirrors are placed at an angle​

Physics
1 answer:
Whitepunk [10]3 years ago
8 0

Answer: Can I get a picture???

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A bat produces a sound at 17,250Hz and wavelength 0.019m. What is<br> the speed of the sound?
EleoNora [17]

Explanation:

v = f × /\

v = 17250 × 0.019

v = 327.75ms²

7 0
3 years ago
How can we calculate the e.m.f of the battery?.
cluponka [151]

Explanation:

The emf is equal to the work done on the charge per unit charge (ϵ=dWdq) when there is no current flowing. Since the unit for work is the joule and the unit for charge is the coulomb, the unit for emf is the volt (1V=1J/C).

7 0
3 years ago
Read 2 more answers
A car travels at a constant speed up a ramp making an angle of 28 degrees with the horizontal component of velocity is 40 kmh^-1
Hoochie [10]

Answer:

Vx = 35.31 [km/h]

Vy = 18.77 [km/h]

Explanation:

In order to solve this problem, we must decompose the velocity component by means of the angle of 28° using the cosine function of the angle.

v_{x} = 40*cos(28)\\V_{x} = 35.31 [km/h]

In order to find the vertical component, we must use the sine function of the angle.

V_{y}=40*sin(28)\\V_{y} = 18.77 [km/h]

7 0
3 years ago
What is the center of our solar system?
Yakvenalex [24]
The sun is the centre of our solar system
8 0
3 years ago
Suppose an individual is lying on his stomach with sheets of paper stacked on his back. If each sheet of paper has a mass of 0.0
AURORKA [14]

Answer:

N = 177843 sheets

Explanation:

We are given;

Mass;m = 0.0035 kg

Pressure; p = 101325 pa = 101325 N/m²

L = 0.279m

W = 0.216m

The weight of N sheets is N(mg)

Where;

m is the mass of one sheet

N is number of sheets

g is the acceleration due to gravity.

The pressure equals weight divided by the area on which the weight presses:

Thus,

p= F/A = Nmg/(L•W)

Therefore, making N the subject;

N = pLW/(mg)

N = 101325 x 0.279 x 0.216/ (0.0035 x 9.81)

N = 177843

5 0
3 years ago
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