I would help but I’m also taking this
Answer:
0.
Explanation:
(A) Work done on the dresser which will be given as :
where, F = weight of the dresser = 3500 N
However you can move the dresser, that is a real distance,
Substituting,
(
is the angle at which you apply the force)
Answer: A. force with which air rushes across the vocal folds
Explanation:
The human voice is produced in the larynx, whose essential part is the glottis. This is how the air coming from the lungs is forced during expiration through the glottis, making its two pairs of vocal folds to vibrate.
It should be noted that this process can be consciously controlled by the person who speaks (or sings), since the variation in the intensity of the sound of the voice depends on the strength of the breath.
A) a piece of wire
Explanation:
Radhika's mother is simply replacing piece of wire.
A fuse is made up of a thin strip of wire that melts when there is an over current.
- A fuse is electrical safety device in circuit that protects appliances from over current.
- The wire in a fuse has a high resistance and low melting point.
- When current is high, the resistance of the wire causes it to melt and break the circuit.
- In this way, appliances are protected from the harmful effect of the surge in voltage.
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When the leveling bulb is higher than the water level, the pressure in the system is greater than atmospheric pressure. This statement is true.
In the physical sciences, pressure is defined as the stress at a point within a confined fluid or the perpendicular force per unit area. A 42-pound box with a bottom area of 84 square inches will impose pressure on a surface equal to the force divided by the area it is applied to, or half a pound per square inch.
Atmospheric pressure, which is roughly 15 pounds per square inch at sea level, is the weight of the atmosphere pressing down on each unit area of the Earth's surface. Pascals are used to express pressure in SI units; one pascal is equivalent to one newton per square meter. Almost 100,000 pascals of atmospheric pressure are present.
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