2 years ago

The expression of x=4t+2t^2 Where x is distance and t=time What is displecement ?

Physics

1 answer:

vampirchik [111]2 years ago

8 0

Answer:

x = 4 t + 2 t^2

the displacement is x which is zero at t = 0 and then increases indefinitely as t increases indefinitely

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3 years ago

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.A box falls to the ground from a delivery truck traveling at 30 m/s. After hitting the road, it slides 45 m to

Romashka-Z-Leto [24]

Answer:

t = 3 seconds

Explanation:

Given that,

Initial speed, u = 30 m/s

Final speed, v = 0

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We need to find how long it take the box to come to rest.

Let a be the acceleration and t is time.

$v^2-u^2=2ad\\\\a=\dfrac{v^2-u^2}{2d}\\\\a=\dfrac{(30)^2-u^2}{2(45)}\\\\=10\ m/s^2$

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3 years ago

A particle traveling in a circular path of radius 300 m has an instantaneous velocity of 30 m/s and its velocity is increasing a

hodyreva [135]

Answer:

5 m/s2

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The total acceleration of the circular motion is made of 2 components: centripetal acceleration and linear acceleration of 4 m/s2. They are perpendicular to each other.

The centripetal acceleration is the ratio of instant velocity squared and the radius of the circle

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4 years ago

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3 years ago

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Answer:

F = 3.98 kN

Explanation:

GIVEN DATA:

sides of box = 17 cm

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T1 = 278 K

final pressure can be calculate by using below relation

$\frac{P_{1}}{P_{2}}=\frac{T_{1}}{T_{2}}$

we know that

force = pressure * area

therefore force is

$F =(\frac{T_{1}}{T_{2}}*P_{1})A$

$F =(\frac{378}{278}*101325)(17*10^{-2})^{2}$

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4 years ago

The expression of x=4t+2t^2 Where x is distance and t=time What is displecement ?​

The expression of x=4t+2t^2 Where x is distance and t=time What is displecement ?