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asambeis [7]
4 years ago
10

I need help with this​

Physics
1 answer:
zhenek [66]4 years ago
5 0

Answer:

position 1 and 4................

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A car is traveling 24.8 m/s and speeds up to 26.8 m/s in 4.3 seconds. What is the car's average acceleration during this time?
Jet001 [13]
  • <em>Answer:</em>

<em>≈ 0.47 m/s²</em>

  • <em>Explanation:</em>

<em>Hi there !</em>

<em>Acceleration formula</em>

<em>a = (v₂ - v₁)/t</em>

<em />

<em>a = (26.8m/s - 24.8m/s)/4.3s</em>

<em>= (2m/s)/4.3s</em>

<em>≈ 0.47 m/s²</em>

<em>Good luck !</em>

8 0
3 years ago
Which is true about a convex mirror?
kakasveta [241]

Answer:

The answer is

A. Incident rays that are parallel to the central axis are dispersed but will be perceived as originating from a point on the near side of the mirror.

Explanation:

The images formed by a convex mirror is virtual, diminished and images are always formed between the Focal point and the pole of the mirror.

Convex mirrors are used as car driving mirrors because they form upright images and also give wider field of view (dispersed) , and notice that in the car driving mirrors there is a warning "objects appear closer than they are "

Which explains our answer, that images are perceived from a near side

8 0
3 years ago
. A radio station transmitting at a frequency of 200KH, emits waves of wavelength 1.5 km.the velocity of the radio waves is​
Karolina [17]

Answer:

Explanation: as,

v=f∧

v=200×10³×1.5×10³

v=2.7×10^7ms⁻¹

4 0
3 years ago
Technician A says that failure analysis will assist the technician in determining whether it is more cost effective to replace r
Jobisdone [24]

Answer:

The correct option is;

Technician A

Explanation:

Here we note  failure analysis will assist in determining the cause of failure and as such to determine the cost effectiveness of a repair or a replacement.

However, a warranty is a legal contract between the buyer of the engine and the manufacturer for the manufacturer to either repair the engine or compensate the the customer for all failures that occur within the period of the warranty. Therefore, technician B is not correct as he says the manufacturer may request the engine for analysis on why it failed which is not the same as the basis of a warranty.

6 0
3 years ago
sheila uses a 45N force on her bowling ball across a 15M lane. what work did she do on the bowling ball? show your work.​
mihalych1998 [28]

Answer:

Work=force × distance

=45×15

=675

Explanation:

need thanks and make me brainiest if it helps you

7 0
3 years ago
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