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3 years ago

Instruments that produce sound from a vibrating string (suspended between two nodes) are called:

1 answer:

3 0

I believe the instrument is called a Chordophone. It is an instrument that produces sound from a vibrating string stretched between two points, the string may be set in motion by bowing, striking, or plucking. It is one of the four major divisions of instruments in the original Hornbostel-Sachs scheme of musical instrument classification

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An individual motor disconnect must be in sight of the motor controller and must disconnect the controller. NEC definition of in

VashaNatasha [74]

Answer: a) 50

Explanation:

This implies that the controller must be visible at not more than 50ft which is 15m

4 0

3 years ago

A box of weight w=2.0N accelerates down a rough plane that is inclined at an angle ϕ=30∘ above the horizontal, as shown (Figure

Nesterboy [21]

Answer:

<h2>The work done is 0.882 Joules.</h2>

Explanation:

To calculate the work, we need to find all forces that are involved in the movement.

As you can analyse, the body is the force that make the box to move, and the friction force is opposite to it, we cannot forget about the friction. So, we have to calculate the resultant force to this context.

$F_{R}=W_{x}-F_{k}$

So, to find $W_{x}$ we use: $W_{x}=W.sen\phi$ ; where $W=2N;\phi = 30\°$

$W_{x}=2N.sin30\°=1\frac{1}{2}N=1N$

The friction force would be:

$F_{k}=\mu_{k}N=(0.30)(1.7N)=0.51$

Then, the resultant force is:

$F_{R}=W_{x}-F_{k}$

$F_{R}=1N-0.51N=0.49N$

Now, we calculate the work: $W=F_{R} d$

$W=(0.49N)(1.8m)=0.882J$

Therefore, the work done is 0.882 Joules.

7 0

4 years ago

Read 2 more answers

a technician connects the red lead of a voltmeter to the b+ [output] terminal of an ac generator and the black lead to the batte

stealth61 [152]

Answer:

He is testing for voltage drop (voltage drop test)

Explanation:

Connecting the red lead of a voltmeter to the B+ output to an ac generator and black lead to a battery +ve terminal measures the voltage drop in the circuit when the engine is turned ON and all electrical accessories too.

with this he knows if the alternator is charging the battery.

8 0

4 years ago

If you just saw a shooting star and wanted to write about the moment, which would be the best type of poem to write? a haiku a n

Norma-Jean [14]

I personally would write it in a Ballad format.
Ballad poems tell a story.

Narrative poems tells a story often making the voices of the/a narrator or character.

Haiku poems rarely rhyme.

Sonnet poems are rhythmic.

6 0

4 years ago

A chair of mass 15.0 kg is sitting on the horizontal floor; the floor is not frictionless. You push on the chair with a force of

Neko [114]

Answer: 185.5672566

Explanation: The friction is not relevant

Normal reaction is the force perpendicular to the surface.

this force resists the downwards forces applied which are gravity and a component of the applied force.

7 0

3 years ago

Read 2 more answers