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Varvara68 [4.7K]
3 years ago
11

For an object that is speeding up at a constant rate in the positive direction,

Physics
1 answer:
Alla [95]3 years ago
7 0

Answer:

B. A line angled upward

Explanation:

velocity is plotted along y- axis and time is plotted along x- axis so we get a line angled upward

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Answer:

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State the 3 laws of motion
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Answer:

Explanation:

Newton's first law of motion:

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g A change in the initial _____ of a projectile changes the range and maximum height of the projectile.​
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Answer:

Velocity.

Explanation:

Projectile motion is characterized as the motion that an object undergoes when it is thrown into the air and it is only exposed to acceleration due to gravity.

As per the question, 'any change in the initial velocity of the projectile(object having gravity as the only force) would lead to a change in the range as well as the maximum height of the projectile.' To illustrate numerically:

Horizontal range: As per expression:

R= (u^{2}*sin2θ)/g

the range depending on the square of the initial velocity.

Maximum height: As per expression:

H= (u^{2} * sin^{2}θ )/2g

the maximum distance also depends upon square of the initial velocity.

​

​

​

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3 years ago
Which tricks do you use to reduce pressure in everyday activities? Which tricks do you use to reduce pressure in everyday activi
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n outer space, a constant net force with a magnitude of 140 N is exerted on a 32.5 kg probe initially at rest. A) What accelerat
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Answer:

a) 4.31 m/s²

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Explanation:

a) According to Newton's first law of motion

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F = ma

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m = 32.5 kg

a = ?

140 = 32.5 × a

a = 140/32.5 = 4.31 m/s²

b) Using the equations of motion, we can obtain the distance travelled by the object in t = 10 s

u = initial velocity of the probe = 0 m/s (since it was initially at rest)

a = 4.31 m/s²

t = 10 s

s = distance travelled = ?

s = ut + at²/2

s = 0 + (4.31×10²)/2 = 215.5 m

7 0
3 years ago
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