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DaniilM [7]
2 years ago
9

Two objects of masses m1 and m2, with m1 < m2, have equal kinetic energy. How do the magnitudes of their momenta compare

Physics
1 answer:
slavikrds [6]2 years ago
6 0

Answer:

every name on here is physics whyyyy but anyways happy news yr eve

Explanation:

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In the diagram, what is happening to the temperature at Point B? Question 6 options: A. The temperature is rising as the molecul
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<span> B. The temperature is not rising because the heat is being used to break the connections between the molecules </span>
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Traveler A starts from rest at a constant acceleration of 6 m/s^2. Two seconds later, traveler B starts with an initial velocity
Troyanec [42]

Answer:

3. 3.5 s

Explanation:

The position of traveller A is given by the equation:

x_A(t) = \frac{1}{2}a t^2

where

a = 6 m/s^2 is the acceleration of A

t is the time measured from when A started the motion

The position of traveller B instead is given by

x_B(t) = u_B (t-2) + \frac{1}{2}a(t-2)^2

where a (acceleration) is the same as traveller A, and

u_B = 20 m/s

is B's initial velocity. We can verify that the formula is correct by substituting t=2, and we get x_B=0, which means that B starts its motion 2 seconds later.

Traveller B overtakes traveller A when the two positions are the same, so:

x_A = x_B\\\frac{1}{2}at^2 = u_B (t-2) + \frac{1}{2}a(t-2)^2\\\frac{1}{2}at^2 = u_B t - 2u_B +\frac{1}{2}at^2 +2a-2at\\u_Bt-2at = 2u_B-2a\\t=\frac{2u_B-2a}{u_B-2a}=\frac{2(20)-2(6)}{20-2(6)}=3.5 s

4 0
3 years ago
Heat gained or lost is mass times specific heat times change in temperature.
BlackZzzverrR [31]

the answer would be B

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3 years ago
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A localized impediment to electron flow in a circuit is a:
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This would be the definition of a resistor. These components inhibit or “resist” the flow of a current.

Hope this helps!
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3 years ago
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Malia has developed Type II Diabetes. When she eats, her body
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Answer:

The correct option is c.

Explanation:

Metabolism is a sum of anabolic and catabolic reactions. The body's inability to produce/synthesize enough insulin is the cause of type II diabetes. Generally, metabolism is the process in which most compounds (proteins, carbohydrates and lipids) are produced (anabolism) or broken down (catabolism) in the body. Insulin is a protein that can be produced in less amount due to metabolic disorder in the body.

Maria's disease means she already has an exponentially high amount of blood sugar against the required insulin to balance it out, hence the disease already slowed down her rate of metabolism (catabolism) of blood sugar EXCEPT she decides to increase of metabolism by medication and exercise.

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