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SVEN [57.7K]
2 years ago
9

Explain why teens are especially weak at impulse control

Physics
1 answer:
RSB [31]2 years ago
4 0

Answer:

One explanation may be that as a group, teenagers react more impulsively to threatening situations than do children or adults, likely because their brains have to work harder to rein in their behavior, a research team reported here yesterday at the Society for Neuroscience meeting

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A gun has a muzzle speed of 150 m/s. Find two angles of elevation that can be used to hit a target 800m away.
lorasvet [3.4K]

Answer:

Explanation:

u =  150 m/s

R = 800 m

The formula for the horizontal range is

R=\frac{u^{2}Sin2\theta }{g}

where, θ is angle of projection.

800=\frac{150^{2}Sin2\theta }{9.8}

Sin2θ = 0.348

2θ = 20.4°

θ = 10.2°

The range is same for the complementary angles.

So, the other angle is 90 - 10.2 = 79.8°

4 0
2 years ago
When heat is converted into another form of energy, the total amount of energy is constant. Which law best illustrates this stat
Lorico [155]
The correct option is (A) <span>the first law of thermodynamics

Explanation:
The first law of thermodynamics takes the idea of law of conservation of energy and modify it for thermodynamics systems. It is the total internal energy of the systems equals to the amount of heat added "to" the system and the workdone "by" the system given as:
</span>ΔU = Q - W
<span>Q = heat added TO the system
W = work BY the system
</span>ΔU = Total internal energy
<span>
But the total internal energy is CONSERVED; it means that energy cannot be created or destroyed; it can only be transformed from one form to another. Hence the correct option is (A).</span>
6 0
3 years ago
Read 2 more answers
In an electron dot diagram, each dot represents a(an ____________________.
Tems11 [23]
  Each dot represents a valence electron. Valence electrons are the electron on the outer electron shell of an atom.<span>
</span>
8 0
2 years ago
A motorcycle traveling south reaches a speed of 38.0 m/s. It then begins uniform negative acceleration and comes to rest after 7
Aleonysh [2.5K]

Answer: 30.641

Explanation: If you get the ave which is 38.0 then the vi which is 7.359

38.0-7.359=30.641/0.0 which is 30.641

6 0
3 years ago
The amount of heat needed
Masteriza [31]
J=joules, c=specific heat, q= energy, and the Tf and Ti are the final and initial temperatures cause I couldn't find a delta sign.

Q=mc(T_{f}-T_{I})  \\ 33000j=2kg*c*80 \\\frac{33000j}{2kg*80} =c \\ c=206.25jkg^{-1}
4 0
3 years ago
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