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kipiarov [429]
3 years ago
6

Which combination of vectors would form the resultant vector 6.5 m 18° N of E when added together?

Physics
1 answer:
Vaselesa [24]3 years ago
4 0

r = (x, y) + (6.5*cos(18°)-x, 6.5*sin(18°)-1)

v1= (x, y), v2=(6.5*cos18°-1, 6.5*sin18°-1)

You can choose any real numbers for x and y. See attached for a little more depth.

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Transformers will not work on ______ electrical systems.
Andru [333]

Transformers only work with AC.

If you put DC into a transformer, all that comes out is smoke.

(a)

5 0
3 years ago
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If you travel for three hours of a speed of 30 km/h, how far will you go?
lesya692 [45]

Answer:

90km

Explanation:

every hour you travel 30km and you are traveling 3 hours 30×3

4 0
3 years ago
Car B has the same mass as Car A but is going twice as fast. If the same constant force brings both cars to a stop, how far will
evablogger [386]

Answer:four times

Explanation:

Given

mass of both cars A and B are same suppose m

but velocity of car B is same as of car A

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Velocity of car B is 2 u

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using  to find the distance traveled

where, v=final velocity

u=initial velocity

a=acceleration(offered by force)

s=displacement

final velocity is zero

For car A

0-(u)^2=2\times a\times s

s_a=\frac{u^2}{2a}------1

For car B

0-(2u)^2=2\times a\times s_b

s_b=\frac{4u^2}{2a}----2

divide 1 and 2 we get

\frac{s_a}{s_b}=\frac{1}{4}

thus s_b=4\cdot s_a

distance traveled by car B is four time of car A

7 0
3 years ago
A point charge of 9.00 × 10−9 C is located at the origin of a coordinate system. A positive charge of 3.00 × 10−9 C is brought i
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A point charge is located at the origin of a coordinate system. A positive charge is brought in from infinity to a point. The charges are at distance for given electrical potential energy is 3.34 x  10⁷ m.

<h3>What is electric potential energy?</h3>

The electric potential energy is the work done by a test charge to bring it from infinity to a particular location.

The electric potential energy is given by the relation,

V = kQ/r

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Substitute the values into the expression to get the distance between the charges.

8.09 × 10⁻⁷ =  9 x 10⁹ x  3 x 10⁻⁹ / r

r =3.34 x  10⁷ m

Thus, the distance between the charges will be 3.34 x  10⁷ m.

Learn more about  electric potential energy.

brainly.com/question/12645463

#SPJ1

8 0
2 years ago
Two identical stones are thrown from the top of a tall building. Stone 1 is thrown vertically downward with an initial speed v,
Molodets [167]

If the resistance of the Air is ignored, we can use the theory given by Galileo in which he warned that the thermal velocity of a body in free fall was given by

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Both bodies will end with the same thermal speed.

5 0
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