Answer:
Manometer is a measures to the atmospheric measure.
Barometer is a measure to the atmospheric pressure.
Explanation:
- Manometer is there are two types (1) closed tube (2) open tube, is filled with liquid water and mercury and the tube.
- Manometer do not need equal size of the tubes to the open ended manometers.
- Manometers is simple to attach on this filled to the high pressure gas in the bulb,this gas pressure put on the tube.
- Manometer is the attach the gas and vacuum gas to the open of the air, its high pressure gas is to the one of end.
- Manometer are filled the mercury to the heavy liquid manometer filled the liquid water and oil with the mercury.
- Barometer is to the close ended tube and the glass tube is the open and that a vacuum is the other end.
- Barometer can the u shaped and the closed ended tubes to the barometers.
- Barometer is the mercury closed end and vacuum is the tallest point in the liquid.
- Barometer is also used to be a table or left standing and also be digital and portable traditional glass, may find the digital clock .
- Barometer are filled the mercury to the high level liquid must be extreme tall in change in atmospheric pressure.
Given :
Mass of box , m = 250 kg.
Force applied , F = 285 N.
The value of the incline angle is 30°.
the coefficient of dynamic friction is .
To Find :
The speed with which the box is moving with, assuming it takes 4 seconds to reach the top of the incline.
Solution :
Net force applied in box is :
Acceleration , .
By equation of motion :
Therefore, the speed of box is 12.04 m/s.
Hence, this is the required solution.
Answer:
8-5=3
The bigger force is to the left
3N to the left
Explanation:
A. It is the strongest force possible.
Explanation:
The force exerted on a charged particle moving in a region with a magnetic field is given by the following equation:
where
q is the magnitude of the charge
v is the velocity of the particle
B is the strength of the magnetic field
is the angle between the direction of the velocity and of the field
From the equation, we notice that:
- The force is maximum when the particle is moving perpendicular to the magnetic field, therefore when and
- The force is zero when the particle is moving parallel (or anti-parallel) to the magnetic field, therefore when and
Based on these observation, we can immediately conclude that the only correct option among the given choices is
A. It is the strongest force possible.
Learn more about magnetic fields:
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