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Tanya [424]
3 years ago
12

If you travel 450 meters in 40 seconds, what is your average speed in meters per

Physics
1 answer:
lianna [129]3 years ago
3 0

Answer:

D

Explanation:40*11.25=450

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None of these make sense someone help
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I would say B because the rest of them are false.

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6 0
3 years ago
Read 2 more answers
A 0.5-kg ball moving at 5 m/s strikes a wall and rebounds in the opposite direction with a speed of 2 m/s. If the impulse occurs
mart [117]

<em>Given that:</em>

                       mass of the ball (m) = 0.5 Kg ,

                    ball strikes the wall (v₁) = 5 m/s ,

rebounds in opposite direction (v₂) = 2 m/s,

                                time duration (t) = 0.01 s,

        <em> Determine the force (F) = ?</em>

We know that from Newton's II law,

                                <em>F = m. a</em>  Newtons  

                                  (velocity acting in opposite direction, so <em>a = ( (v₁ + v₂)/t</em>

                                   = m × (v₁ + v₂)/t

                                   = 0.5 × (5 + 2)/0.01

                                  = 350 N

<em>The force acting up on the ball is 350 N</em>

                                     

6 0
3 years ago
Consider the following. (Let C1 = 20.80 µF and C2 = 14.80 µF.) A rectangular circuit contains a battery and four capacitors. The
umka21 [38]

Find the below attachment

7 0
4 years ago
When two systems in contact are not at the same temperature, _____ occurs.
Korvikt [17]
The answer is "heat transfer."
6 0
3 years ago
How does energy from an earthquake reach each surface? Describe the three types of seismic waves.
WITCHER [35]
Body waves travel through the interior of the Earth. Surface waves travel across the surface. Surface waves decay more slowly with distance than body waves which travel in three dimensions. Particle motion of surface waves is larger than that of body waves, so surface waves tend to cause more damage.
https://en.m.wikipedia.org › wiki
4 0
3 years ago
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