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Reptile [31]
2 years ago
10

Darw a velocity time graph for body moving with uniform acceleration

Physics
1 answer:
Troyanec [42]2 years ago
7 0

Answer:

constant gradient rising

Explanation:

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Um comentarista de futebol certa vez comentou:"A bola bateu na trave e voltou duas vezes mais forte". Sabendo que quando a bola
ryzh [129]

Answer:

Por ela ter batido na trave, não tem como voltar 2x mais forte, por que toda ação correspondente a uma reação de igual intensidade, mas que atua no sentido oposto

Explanation:

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2 years ago
Types of media that can influence one's social development include all of the following except
dybincka [34]
A. movies b. internet c. books
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3 years ago
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The picture shows a loop of wire rotating in a magnetic field in a generator. Determine the direction of the current through the
BaLLatris [955]
I believe the answer is b
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2 years ago
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Which letters represent constructive interference in this diffraction pattern? Check all that apply.
trasher [3.6K]

Answer: A, C and D

Explanation:

Interference occurs when two waves superimpose to form a wave having a smaller or larger amplitude.

Constructive interference is said to occur when two waves superimpose to produce a wave having larger amplitude. It occurs for the waves having phase difference of multiple of 2π. On the other hand, destructive interference occurs for the waves having phase difference  π, 3π, ..and so on.

In the given picture, the bright regions represent constructive interference where as the dark ones between them represent destructive interference. Thus, the correct letters representing constructive interference are: A, C and D.

4 0
3 years ago
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What is the minimum speed needed to fire a champagne cork a distance of 11m?
Crank

To start with solving this problem, let us assume a launch angle of 45 degrees since that gives out the maximum range for given initial speed. Also assuming that it was launched at ground level since no initial height was given. Using g = 9.8 m/s^2, the initial velocity is calculated using the formula:

(v sinθ)^2 = (v0 sinθ)^2 – 2 g d

where v is final velocity = 0 at the peak, v0 is the initial velocity, d is distance = 11 m

Rearranging to find for v0: <span>
v0 = sqrt (d * g/ sin(2 θ)) </span>

<span>v0 = 10.383 m/s</span>

8 0
3 years ago
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