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3 years ago

Which determines the path that an object in projectile motion follows

1 answer:

4 0

The answer is Gravity only.

A projectile is defined as an object in which the only force acting upon it is gravity. If any other forces are involved the object will no longer be considered as a projectile.

When a projectile is launched in the air, the horizontal velocity remains constant, but vertical velocity is influenced by gravity which pulls until it hits the ground. So the path of the projectile is determined by GRAVITY ONLY.

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When during new product development is Design For Manufacture and Assembly (DFMA) most effective? a) At all times b) During prod

Lina20 [59]

Answer:most likely E

Explanation:

Why would anybody do something after design there done with there work after that

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4 years ago

A marble slides without friction in a vertical loop around the inside of a smooth, 28.6 cm diameter horizontal pipe. The marble'

Leviafan [203]

Answer:3.49 m/s

Explanation:

Given

Speed of marble at Bottom $v=4.22 m/s$

Diameter of loop $d=28.6 cm$

As Energy is conserved therefore Energy at top is equal to energy at bottom

$E_T=E_B$

$\frac{mv^2}{2}+mgh=\frac{mv_0^2}{2}$ ,where $v_0$ is the velocity at bottom

$\frac{v^2}{2}+gh=\frac{v_0^2}{2}$

$v_0^2=v^2+2gh$

$v^2=v_0^2-2gh$

$v=\sqrt{v_0^2-2gh}$

$v=\sqrt{4.22^2-2\times 9.8\times 0.286}$

$v=\sqrt{17.8084-5.6056}$

$v=3.49 m/s$

7 0

3 years ago

a track coach with a meter stick and a stopwatch is trying to determine if a student is walking with constant speed.he should...

Aleksandr [31]

Give you a device that tracks your speed?

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3 years ago

How do you find a controlled variable

adelina 88 [10]

Hello there!

Essentially, a control variable is what is kept the same throughout the experiment, and it is not of primary concern in the experimental outcome. Any change in a control variable in an experiment would invalidate the correlation of dependent variables (DV) to the independent variable (IV), thus skewing the results.

7 0

4 years ago

If a ball with an original velocity of zero is dropped from a tall structure and it takes 7 seconds to hit the ground, what velo

Colt1911 [192]

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<span>Vf = Vi + at
</span>Vf = 0 + (-9.8 m/s^2) (7 s)
Vf = -68.6 m/s

The negative sign denotes the direction of the ball.

5 0

4 years ago

Read 2 more answers