DETAILS MY NOTES ASK YOUR TEACHER An artist creates a solid sculpture made from 7.70 kg of copper. She wishes to create an identical sculpture, using the same mold used to make the original, out of solid silver. What is the mass (in kg) of the silver sculpture? (The density of copper is 8.96 x 10³ kg/m³, and that of silver is 10.50 x 10³ kg/m³.) kg MY NOTES DETAILS ASK YOUR TEACHER A pontoon boat approaches a low bridge 100 m ahead at a velocity of 29.5 m/s. The pilot reduces the throttle, slowing the boat with a constant acceleration of -3.10 m/s². (a) How long (in s) does it take the boat to reach the bridge? (b) What is the velocity (in m/s) of the boat when it reaches the bridge? (Indicate the direction with the sign of your answer.) m/s
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
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