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Anon25 [30]
3 years ago
15

PLEASE HELPPP ASAP, I'LL GIVE BRAINLEST​

Physics
1 answer:
zmey [24]3 years ago
6 0

Answer:

a) Joules

b) W (symbol for work) (J is symbol for Joules)

c) seconds

d) watts

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The maximum current output of a 60 ω circuit is 11 A. What is the root mean square voltage of the circuit?
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Answer:

660V

Explanation:

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V=?, I=11A,R=60w

V=60 ×11

=660V

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The relationship between energy (E), power (P), and time (t) is
NemiM [27]

Answer:

The avarage power of the body is 96.898 watts.

Explanation:

We must notice that given definition of power implies a constant consumption of energy, so that we should assume that energy consumption is constant. A Calorie is equal to 4186 joules. If we know that E = 2000\,Cal and t = 1\,day, the power of body, measured in watts, is:

P = \frac{(2000\,Cal)\cdot \left(4186\,\frac{J}{Cal} \right)}{(1\,day)\cdot \left(24\,\frac{h}{day} \right)\cdot \left(3600\,\frac{s}{h} \right)}

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3 0
4 years ago
A 10- kg ball starting from rest rolls down a 5 m tall smooth hill from one person to another person who is standing at the bott
olya-2409 [2.1K]

Answer: 3.13 m

Explanation:

Given

mas of the ball is m=10 kg

The ball rolls down a vertical distance of 5 m

Spring constant of spring is k=100\ N/m

Here, the potential energy of the ball converted into kinetic energy which in turn converts into elastic potential energy

\Rightarrow mgh=\frac{1}{2}kx^2\quad [\text{x=compression in the spring}]\\\\\Rightarrow 10\times 9.8\times 5=\frac{1}{2}\cdot 100\cdot x^2\\\Rightarrow x=\sqrt{9.8}\\\Rightarrow x=3.13\ m

Thus, the spring compresses by 3.13 m.

6 0
3 years ago
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