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erma4kov [3.2K]
3 years ago
12

QUESTION Energy can only be used in it's original form. false true

Physics
1 answer:
Gala2k [10]3 years ago
4 0

Answer:

False

Explanation:

Energy keeps on converting from one form to another and it is useful in each of its forms.

For instance, the kinetic energy get converts into potential energy, mechanical energy of motor converts into electrical energy, sound energy (phone) converts into electrical energy etc. but in all these forms energy is useful in one or the other way.

Hence, the given statement is false.

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Use a scientific calculator to perform the operation below.
Viefleur [7K]

Answer:

A. 6.13 x 107

Explanation:

Given the expression

5.92 x 10^7 + 2.11 x 10^6

First, we need to convert to the whole number

5.92 x 10^7 = 59200000

2.11 x 10^6 = 2110000

Add both values

59200000 + 2110000

= 61,310,000

Express in standard form

= 6.13 * 10^7

This gives the required result

4 0
3 years ago
Weather balloons appear only partially inflated when launched into the air. Why would scientists do this?
zvonat [6]

The reason weather balloons are only partially inflated is to allow room for the helium in the balloon to expand.

7 0
3 years ago
Which is an inertial reference frame (or at least a very good approximation of one)? Which is an inertial reference frame (or at
ioda

Answer:

A jet plane flying straight and at level at constant speed

Explanation:

     The<em> inertial frame </em>of reference is a frame of reference in which all <em>Newton law  is valid</em> ie Newton second law of motion and therefore newton first law of motion holds good. <em>The frame of reference does not accelerate.</em>

All the object that is in the frame of reference are at rest or moving with constant rectilinear motion with constant velocity unless acted upon by any force.

4 0
3 years ago
Where is parallel circuits used?
suter [353]

Answer:

if one bulb burns out, the other bulbs in the fixture continue to operate. Other uses include an electronic OR gate, where two switches are in a parallel circuit: one of the switches must be closed for the circuit to function.

8 0
4 years ago
11. An example of a compound is<br> A. salt<br> B. salt water<br> C. sodium<br> D. soft drinks
katovenus [111]

Answer:

The correct answer is: A. salt

Explanation:

The salt corresponds to sodium chloride, whose chemical formula is NaCl. A compound is defined as that substance formed by a combination of 2 or more atoms.

8 0
3 years ago
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