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Q: Unknown fossil one meter below the surface which era did it come from?
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An inflated balloon sufficiently weighted with a brick floats just at the surface of a lake if the balloon is brought down 1 meter below the surface and then let go will it go back to the surface?

yes


Where is the pressure greater . in 10 m below the surface of the sea or 20 m below the surface of the sea?

The pressure is greater at 20 m below the surface of the sea. Pressure increases with depth due to the weight of the water above. Each additional meter of depth adds more pressure, so the pressure will be higher at 20 m compared to 10 m below the surface.


What is frequency meter?

frequency meter is used to measure the frequency of unknown frequency signal.


How does 1 meter surface of pond compared to the surface of 1 meter of huge lake?

The surface areas are exactly the same. Their temperatures are likely to be different, though.


Who began the 800 meter dash?

It is unknown the creator of the event.


How big is the monument- tomb unknown?

100 meter long


When was the newton meter invented?

The exact date of the Newton Meter is unknown, but it was in the mid 1600's. Sir Isaac Newton was the founder of the Newton Meter.


When using a dvom to measure unknown voltage what setting?

Highest setting on the meter.Highest setting on the meter.


What is the surface area of a 19 meter sphere?

Surface Area = 4,536.45979 m2


How can you measure the pH of an unknown liquid?

You can measure the pH of an unknown liquid using a pH meter or pH test strips. Simply dip the pH meter or test strip into the liquid and observe the reading or color change, respectively. This will give you an indication of the pH level of the unknown liquid.


What are the units of a capillary number?

capillary number(Ca)=(viscosity*velocity)/surface tension viscosity have the unit (kg/(meter*time)) same for velocity(meter/time) and surface tension ((kg*meter)/(time2*meter)) so= (kg *meter*time*time*meter)/(meter*time*time*kg*meter) = unitless dimension={M0 L0 T0}


What is the purpose of a rheostat in the determination of an unknown resistor?

A rheostat can be used to vary the resistance in a circuit until a balance condition is reached, allowing for the determination of the unknown resistor value through adjusting the resistance of the rheostat until the circuit is balanced. This process is often used in bridge circuits for precise resistance measurements.