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Darina [25.2K]
3 years ago
6

A car accelerates from rest to a velocity of 5 meters/second in 4 seconds. What is its average acceleration over this period of

time?Its acceleration is 1.25 meters/second. Its acceleration is 5 meters/second. Its acceleration is 0.8 meters/second. Its acceleration is 1.25 meters/second2. Its acceleration is 20 meters.
Physics
2 answers:
wlad13 [49]3 years ago
7 0
The car's average acceleration would be 1.25m/s^2 or 1.25meters/second/second. That looks to be the fourth one you've listed.
aliina [53]3 years ago
6 0

Answer:

Its acceleration is 1.25 meters/second2 (1.25 m/s^2 )

Explanation:

Acceleration is defined as the rate of change of velocity per unit time:

a=\frac{v-u}{t}

where

v is the final velocity

u is the initial velocity

t is the time taken

In this problem, the initial velocity of the car is zero: u=0. The final velocity is v=5 m/s, and the time taken is t=4 s, so the acceleration is

a=\frac{v-u}{t}=\frac{5 m/s-0}{4 s}=1.25 m/s^2

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Can anyone help me with this??? Anyone familiar with this sorta project??
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A uniform horizontal beam 4.0 m long and weighing 200 N is attached to the wall by a pin connection that allows the beam to rota
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Answer:

The magnitude of the tension in the cable, T is 1,064.315 N

Explanation:

Here we have

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Therefore,

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T×sin(53) = 350×1.5 + 200×2

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Answer:

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Explanation:

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In the case shown in the question above, the momentum will happen due to the influence of the fluid that is in the rocket, which is proportional to the mass and speed of the same rocket. If we consider the constant speed, this will result in an increase in the momentum of the fluid. Based on this and considering that rocket and fluid has momentum in opposite directions we can make the following calculation:

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As we saw in the question above, the mass of the rocket is three times greater than that of the rocket in the video. For this reason, we can conclude that the calculation should be done with the rocket in its initial state and another calculation with its final state:

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3 years ago
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