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IgorLugansk [536]
3 years ago
5

Select the statements that describe a vector. Check all that apply.

Physics
2 answers:
victus00 [196]3 years ago
5 0

Answer:

2,3,5

Explanation:

balu736 [363]3 years ago
3 0

Answer:

Vectors have a size and a direction

vectors can have positive or negative values

Explanation:

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Brainlist nd 20 points
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I'm not sure but I think it's 35-39

4 0
3 years ago
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When the force on an object and the object’s displacement are in different directions, which component of the force does work?
podryga [215]

Answer:

It should be b hope it helps :)

Explanation:

8 0
3 years ago
Balanced forces act on a ball that is being held above the ground in someone's hand. explain why these forces on the ball are ba
Licemer1 [7]
Hi Andrescruz9386

The ball in someone's hand is a balanced force because the object is staying in motion and is not changing at all so its evenly balanced, if its swinging back and fourth it is in motion and it wont stop till it becomes unbalanced, if the ball is just being held above the ground yes its balanced because nothing Is happening to it, its basically like a balance scale, if both sides are even and equal, than nothing will happen because there is no side that has more or less its equal so that's why its balanced, in order for it to be unbalanced it has to be brought upon unbalanced forces.
3 0
3 years ago
Consider the circuit shown in the figure to find the power delivered to 6 Ohm resistance (in W). Given that Vs= 30
vekshin1

66.7 Watts

Explanation:

Let R_{1}=1.0 ohms, R_{2}=3.0ohms and R_{3}=6.0\:ohms. Since R_{2} and R_{3} are in parallel, their combined resistance R_{23} is given by

\dfrac{1}{R_{23}}=\dfrac{1}{R_{2}}+\dfrac{1}{R_{3}}

or

R_{23}=\dfrac{R_{2}R_{3}}{R_{2}+ R_{3}}=2.0\:ohms

The total current flowing through the circuit <em>I</em> is given

I=\dfrac{V_{s}}{R_{Total}}

where

R_{Total}=R_{1}+R_{23}= 3.0\:ohms

Therefore, the total current through the circuit is

I=\dfrac{30\:V}{3.0\:ohms}=10\:A

In order to find the voltage drop across the 6-ohm resistor, we first need to find the voltage drop across the 1-ohm resistor V_{1}:

V_{1}=(10\:A)(1.0\:ohms)=10\:V

This means that voltage drop across the 6-ohm resistor V_{3} is 20 V. The power dissipated <em>P</em> by the 6-ohm resitor is given by

P=I^{2}R_{3}= \dfrac{V^{2}}{R_{3}}=\dfrac{(20\:V)^{2}}{6\:ohms}= 66.7 W

4 0
3 years ago
What is the answer if you restate bregihly if you use usatestprep in crossword puzzule
Marina86 [1]

A CROSS-WORD XDDDDDDDD

6 0
3 years ago
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