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spin [16.1K]
3 years ago
13

If you were to graph out the relationship that exists between mass and acceleration, would the slope be positive or negative? Ex

plain
Physics
1 answer:
KonstantinChe [14]3 years ago
4 0
I think the slope could be positive, because the more mass you have, the more acceleration is required, and there's no negative ratio in there.
Hope this helps!
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A water hose is used to fill a large cylindrical storage tank of
ludmilkaskok [199]

Answer:

maximum possible speed by solving above equation for 7D is

v_{max} = \sqrt{\frac{49}{5}gD}

minimum possible value of speed for solving x = 6D is given as

v_{min} = \sqrt{9gD}

Explanation:

Let the nozzle of the hose be at the origin. Then the nearest part of the rim of the tank is at (, ) =  (6, 2) and the furthest part of the rim is at (, ) = (7, 2).

The trajectory of the water can be found as follows:

x = (v_o cos45) t

y =  (v_o sin45) t - \frac{1}{2}gt^2

Now from above two equations we have

y = x - \frac{gx^2}{v_o^2}

now we know that height of the cylinder is 2D so we have

x - \frac{gx^2}{v_o^2} = 2D

by solving above equation we have

x = \frac{v_o^2 \pm v_o^2\sqrt{1 - \frac{8gD}{v_o^2}}}{2g}

now we know that maximum value of x is 7D

so the maximum possible speed by solving above equation for 7D is

v_{max} = \sqrt{\frac{49}{5}gD}

minimum possible value of speed for solving x = 6D is given as

v_{min} = \sqrt{9gD}

6 0
3 years ago
Describe speed of light
dmitriy555 [2]

Answer:

Definition of speed of light. : a fundamental physical constant that is the speed at which electromagnetic radiation propagates in a vacuum and that has a value fixed by international convention of 299,792,458 meters per second

Explanation:

7 0
3 years ago
Read 2 more answers
A baseball is thrown at an angle of 40.0° above
monitta
Vector trigonometry can be used for this problem. Since the horizontal component is 12 meters per second, this is technically the hypotenuse (actual initial velocity) multiplied to cosine of 40 degrees. Therefore, to find the hypotenuse, we must divide 12 by cosine 40degrees. cos(40)= 0.766, and 12/0.766 = approximately 15.664, therefore our answer is (3) 15.7 m/s
7 0
3 years ago
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A bin is given a push across a horizontal surface. The bin has a mass m, the push gives it an initial speed of 1.60 m/s, and the
emmasim [6.3K]

Answer:

The bin moves 0.87 m before it stops.

Explanation:

If we analyze the situation and apply the law of conservation of energy to this case, we get:

Energy Dissipated through Friction = Change in Kinetic Energy of Bin (Loss)

F d = (0.5)(m)(Vi² - Vf²)

where,

F = Frictional Force = μR    

but, R = Normal Reaction = Weight of Bin = mg

Therefore, F = μmg

Hence, the equation becomes:

μmg d = (0.5)(m)(Vi² - Vf²)

μg d = (0.5)(Vi² - Vf²)

d = (0.5)(Vi² - Vf²)/μg

where,

Vf = Final Velocity = 0 m/s (Since, bin finally stops)

Vi = Initial Velocity = 1.6 m/s

μ = coefficient of kinetic friction = 0.15

g = 9.8 m/s²

d = distance moved by bin before coming to stop = ?

Therefore,

d = (0.5)[(1.6 m/s)² - (0 m/s)²]/(0.15)(9.8 m/s²)

<u>d = 0.87 m</u>

5 0
3 years ago
Amoving object is in equilibrium. Which best describes the motion of the object if no forces change?
kaheart [24]
I believe the answer is C. It will maintain its state of motion
4 0
4 years ago
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