3 years ago

Does chess make you smarter?

1 answer:

5 0

Chess does not necessarily make you smarter it makes you better in terms of being patient, strategic, and better at counter-attacking

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Which material would you take, steel or bricks to design a bridge? Why?

Vesna [10]

Answer:

steel

Explanation:

steel because steel has more power to hold something up, where bricks arent as stable

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3 years ago

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What happens to its kinetic energy when its reaches the maximum height ?

drek231 [11]

when it reaches the maximum height, all the energy has now been converted into potential energy.when a ball is thrown straight upto into the air,all its initial kinetic energy converted into gravitational potential energy when it reaches its maximum height

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3 years ago

The ability to pick up small objects, to stack objects, and to carry objects appears first during which time period?

aliya0001 [1]

the answer is B 4-6 months thats when they can pick up large objects.

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2 years ago

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What is the electric potential energy of a charge that experiences a force of 3.6 x 10^-4N when it is 9.8 x 10^-5 from the sourc

Levart [38]

The electric potential energy of the charge is equal to the potential at the location of the charge, V, times the charge, q:
$U=qV$
The potential is given by the magnitude of the electric field, E, times the distance, d:
$V=Ed$
So we have
$U=qEd$ (1)
However, the electric field is equal to the electrical force F divided by the charge q:
$E= \frac{F}{q}$
Therefore (1) becomes
$U=Fd$
And if we use the data of the problem, we can calculate the electrical potential energy of the charge:
$U=Fd=(3.6 \cdot 10^{-4}N)(9.8 \cdot 10^{-5} m)=3.53 \cdot 10^{-8} J$

7 0

3 years ago

How fast is a 90kg man running if his kinetic energy is 720 J?

zheka24 [161]

Answer:
4 m/s
Explanation:
KE=1/2mv^2
720=1/2(90)
720=45v^2
divide by 45
16= v^2
over the square root
4=v
v= 4m/s

6 0

3 years ago