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3 years ago

Waves inwhich the particles vibrate at right angles to direction is called

1 answer:

5 0

When the particles of a medium are vibrating at right angles to the direction of energy transport, then the wave is a ____ wave. In transverse waves, particles of the medium vibrate to and from in a direction perpendicular to the direction of energy transport.

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3 years ago

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The acceleration of an object as a function of time is given by a(t) = (1.00 m/s2)t2. If displacement of the object between time

jolli1 [7]

not enough information is given to determine the velocity of the object at time to=0.00s

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3 years ago

Are dimensionless quantities always unitless

timofeeve [1]

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A student, standing on a scale in an elevator at rest, sees that his weight is 840 N. As the elevator rises, his weight increase

ololo11 [35]

As per FBD while its accelerating upwards

we can say that

$F_n - mg = ma$

here normal force is given as

$F_n = 1050 N$

$W = 840 N$

now mass is given as

$m(9.8) = 840$

$m = 85.7 kg$

now we will have

$1050 - 840 = 85.7 \times a$

$a = 2.45 m/s^2$

Now while accelerating downwards we can say by FBD

$mg - F_n = ma$

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3 years ago

a car headed north at 15 m/s accelerates for 4.25 s to reach a velocity of 28.3 m/s. What is the acceleration of the car?

Liono4ka [1.6K]

Answer:

The acceleration of the car is $3.13 m/s^2$

Explanation:

In the question it is given that car initially heads north with a velocity $15 m/s$ . It then accelerates for $4.25 s$ and in the end its velocity is $28.3 m/s$ .