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alexira [117]
3 years ago
10

Physics

Physics
1 answer:
Inessa05 [86]3 years ago
6 0

Answer:

Motion maps are used to illustrate the direction and position of an object. Using the motion map, the description of the object position and velocity is as follows:

The object starts its movement from the origin with a large velocity, before moving back to the origin with a smaller velocity. It stops for 1 second in the origin, then moves away with a larger velocity, Finally, it moves back towards the origin with a smaller velocity.

See attachment for the motion map, where the number on each arrow in the map, represents the position of the object.

Note that; the long arrow means large velocity while the short arrow means small velocity

Next, we analyze the direction and position using the arrows

The first arrow shows that the object starts from the origin with a large velocity

The direction and length of the second arrow show that, the object then returned to the origin with a smaller velocity.

There is a dot in front of the second arrow. This dot indicates that the object stops for one second.

The third arrow means that, the object moved from the origin with a larger velocity

The direction and position of the fourth and fifth arrows indicate that the object then moves towards the origin, with a smaller velocity.

Explanation:

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Urgent ex 5 si 4 va rog mult
maks197457 [2]

Answer:

are you college ?????????

8 0
3 years ago
A 16.0 m long, thin, uniform metal rod slides north at a speed of 21.0 m/s. The length of the rod maintains an east-west orienta
Gekata [30.6K]

Answer:

14.112 mV

Explanation:

L = 16 m, v = 21 m/s, B = 42 μ T = 42 x 10^-6 T

The formula for the induced emf is given by

e = B x v x L

e = 42 x 10^-6 x 21 x 16 = 14.112 x 10^-3 V = 14.112 mV

Thus, the induce emf is 14.112 mV.

4 0
3 years ago
Whats the value of 1,152 Btu in joules?(a)1,964,445J(b)1,215,360J(c)2,485,664J(d)997,875J
Anvisha [2.4K]
In order to make any headway with this one, it might help
to know how many joules there are in one BTU, ya reckon ?

I went and looked it up on line, you're welcome.

       1 BTU  =  1055.06 joules .

So if you happen to have 1,152 BTU of energy,
there are 1055.06 joules in each one of them,
and the total is

                        (1,152 BTU) x (1,055.06 joule/BTU)

                   =          1,215,429.12 joules .

Scanning the choices for anything close, we notice that choice-'b'
is only about 0.006% less than my answer.  So that must be the one
they're fishing for, and they must have used 1055-even for their
conversion factor.
8 0
3 years ago
Read 2 more answers
What magnitude charge creates a 32.08 N/C electric field at a point 2.84 m away?
sammy [17]

Answer:

Q = 29.4 x 10⁻⁹ C.

Explanation:

Electric field due to a charge Q at distance d is given by coulomb law as follows

Electric field

E = k Q /d²

where for air k which is a constant is 9 x 10⁹

E=\frac{k\times Q}{d^2}

Given E = 32.08 , d = 2.84 m

Putting these values in the relation above, we have

[tex]32.08=\frac{9\times 10^9\times Q}{(2.84)^2}[/tex]

Q = 29.4 x 10⁻⁹ C.

5 0
3 years ago
An object's buoyant force and weight mean the same thing.<br><br>A. True<br><br>B. False​
german

Answer:

False

Explanation:

No. The buoyant force on an object is the portion of its weight that appears to vanish

when the object is in any fluid (could be either a liquid or a gas).

If the object happens to float in a particular fluid, then the buoyant force at that moment

is equal to the object's weight.

Notice that the buoyant force on an object will be different in different fluids.

6 0
3 years ago
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