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kumpel [21]
3 years ago
10

19,792,000,000 in scientific notation will have how many significant figures

Physics
1 answer:
xz_007 [3.2K]3 years ago
8 0

Answer:

= 1.9792 × 10^10

Significant Figures= 5

Explanation:

Look at the attachment below

Hope this helps (:

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Which is not a simple harmonic motion (S.H.M.) (a) Simple Pendulum (b) Projectile motion (c) None (d) Spring motion
Scrat [10]

Answer:

b) Projectile MOTION

Explanation:

SHM is periodic motion or to and fro motion of a particle about its mean position in a straight line

In this type of motion particle must be in straight line motion

So here we can say

a) Simple Pendulum : it is a straight line to and fro motion about mean position so it is a SHM

b) Projectile motion : it is a parabolic path in which object do not move to and fro about its mean position So it is not SHM

d) Spring Motion : it is a straight line to and fro motion so it is also a SHM

So correct answer will be

b) Projectile MOTION

7 0
3 years ago
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Answer:

Answer explained below

Explanation:

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(b) If the light rays don't bend they will move away from the optical (principal axis) as the other waves are moving.

(c) If we decrease the distance between lens and light source, most of the rays diverge and no ray converges on the screen even after passing through the lens. Here is a screenshot.

5 0
3 years ago
How much electrical is use by a 350 W television that is operating for 25 minutes
Komok [63]

350Js^¹- *25*60s=525000J

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A bird takes off from the tree and after 5 s is flying at a speed of 10 m/s. Calculate
Volgvan

Answer:

10miles/second

Explanation:

Change in velocity of the bird is expressed as the difference between the final velocity and initial velocity of the body.

Change in velocity = Final velocity - initial velocity

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Final velocity = 10miles/secs

Change in velocity = 10-0

Change in velocity = 10miles/second

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How does a bicycles kinetic energy change when it slows down?
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The kinetic energy decreases 
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