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3 years ago

The CIA investigated hypnosis as a possible tool for interrogating prisoners. Why did they decide it was unsuitable for that

Physics

2 answers:

alukav5142 [94]3 years ago

7 0

Answer:

D. Hypnosis can make the subjects talk, but they talk only about their childhoods.

Explanation:

bekas [8.4K]3 years ago

7 0

Answer:

The answer is B

Explanation:

Hypnosis requires a trusting relationship between the hypnotist and subject.

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Bart stole a watermelon and ran 5,000 feet from the cops and they chase lasted 0.1 hours how fast was Bart running in miles per

liraira [26]

I am not as sure but I think it is 9.469 miles

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3 years ago

One problem when using rigid metal conduit in a residence is that the installation of the conduit may a weaken the structure b r

worty [1.4K]

The correct answer is A. Installation of rigid metal conduit requires grounding and the grounding equipment used may weaken the structure.

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2 years ago

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An airplane starts from rest and reaches a takeoff velocity of 60.0m/s due north in 4.0 s. How far has it traveled before takeof

Blizzard [7]

240 meters that's it

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3 years ago

In a lab experiment, a student is trying to apply the conservation of momentum. Two identical balls, each with a mass of 1.0 kg,

Studentka2010 [4]

Answer:

Second Trial satisfy principle of conservation of momentum

Explanation:

Given mass of ball A and ball B $=\ 1.0\ Kg.$

Let mass of ball $A$ and $B\ is\ m$

Final velocity of ball $A\ is\ v_1$

Final velocity of ball $B\ is\ v_2$

initial velocity of ball $A\ is\ u_1$

Initial velocity of ball $B\ is\ u_2$

Momentum after collision $=mv_1+mv_2$

Momentum before collision $= mu_1+mu_2$

Conservation of momentum in a closed system states that, moment before collision should be equal to moment after collision.

Now, $mu_1+mu_2=mv_1+mv_2$

Plugging each trial in this equation we get,

First Trial

$mu_1+mu_2=mv_1+mv_2\\1(1)+1(-2)=1(-2)+1(-1)\\1-2=-2-1\\-1=-3$

momentum before collision $\neq$ moment after collision

Second Trial

$mu_1+mu_2=mv_1+mv_2\\1(.5)+1(-1.5)=1(-.5)+1(-.5)\\.5-1.5=-.5-.5\\-1=-1$

moment before collision $=$ moment after collision

Third Trial

$mu_1+mu_2=mv_1+mv_2\\1(2)+1(1)=1(1)+1(-2)\\2+1=1-2\\3=-1$

momentum before collision $\neq$ moment after collision

Fourth Trial

$mu_1+mu_2=mv_1+mv_2\\1(.5)+1(-1)=1(1.5)+1(-1.5)\\.5-1=1.5-1.5\\-.5=0$

momentum before collision $\neq$ moment after collision

We can see only Trial- 2 shows the conservation of momentum in a closed system.

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3 years ago

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A weightlifter does 450 J of work on a barbell in 3 s. How much power is the weightlifter generating?

astra-53 [7]

450 J / 3 s = 150 J/s = 150 watts.

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3 years ago