What is the difference between tidal volume and vital capacity? Suggest a way you could measure a person’s tidal volume.

Q: What is surface tension? What is its cause? Why is the surface tension also called surface energy?

A: Surface tension is the work, required to increase the surface area of a liquid due to inter…

Q: Typical atmospheric pressure is 101,300 N/m2. Estimate the speed of the winds in a category 5…

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Q: Calculate the gauge pressure at a depth of 154 m in seawater. The density of seawater is 1030 kg/m3.…

A: Given data:  Depth (h) = 154 m Density (ρ) = 1030 kg/m3 g = 9.8 m/s2 Required: The gauge pressure

Q: What happen if the objects' density is greater than, less than or equal to water's (1 gm /cm3)?

A: The object’s having density greater than density of water will sink in the water.

Q: Write down all three equations you learn under Pascal Law. Where is this law useful in the real

A: →Pascal's principal used in daily life as in vehicle braking system. →electronic parking system in…

Q: Explain how the Moon produces tides in Earth's ocean.

A: Tides are defined as a cycle of deformation of an astronomical object caused by another astronomical…

Q: How will tne value of g measured high in the mountains compare to the Value of g measured at sea…

A: we know that change in gravity with height h g, = g { 1- 2h / R } change in gravity with depth d g,…

Q: What would the atmospheric pressure be on Mount Everest (which is about 8,850 m tall)? How would…

A: In the higher altitudes the atmospheric pressure is decreased and because of the column of the…

Q: Define Surface waves.

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Q: he oceans level is rising 1.5 millimeters per year. at this rate in hote many years will the sea…

A: The  speed of water level in an ocean is the rise in the level upon time: v=h∆t Where, h= height of…

Q: If a piece of plastic food wrap (thickness = 1.27 x 10-3 cm) is being placed around a ball to…

A: Given: A piece of food wrap of thickness t=1.27×10-3 cm placed around a ball to represent 90% of…

Q: If a 5.0 mm thick piece of plastic sheeting is being placed around a ball to represent 50 percent of…

A: We know that 5 mm lan used to represent 5.6 kilometers of the atmosphere's thickness and we can use…

Q: For Mars, the opposite situation exists. The data table shows that the pressure at the surface of…

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Q: Estimate the total mass of Earth's atmosphere. The pressure at sea level on Earth is 1 Bar, a unit…

A: Given, The pressure at the sea level, P=1 Bar = 100,000 N/m2 Acceleration due to gravity, g=9.8 m/s2…

Q: If you swam 3 meter below the surface of the dead-sea, how much TOTAL pressure would you feel?…

A: Given information:The density of the dead sea (ρ) = 1.23 g/ml = 1.23 kg/l = 1230 kg/m3Depth at which…

Q: The total mass of this planet's atmosphere may be higher than the Earth's but the gases present must…

A: Would the atmosphere for this planet be thicker or thinner than that of the Earth?

Q: If you assume you have 15 gallons remaining when you reach your cruising altitude of 8,000 feet. How…

A: It is very subjective, it depend on how much fuel is consumed by the airplane for example a Boeing…

Q: Earth has a mass of 5.98  1024 kg and a diameter of 7930 miles. What is the average density of our…

A: Given data: Mass (m) = 5.98×1024 kg Diameter (d) = 7930 miles Required: The density (ρ) in g/cm3

Q: Exercise 2. Calculate the pressure and density of Earth's atmosphere at an altitude of 10 km using…

A: Given that: The temperature at sea level To=298K, Larpse rate L=-6.5x10-3K/m,Pressure at sea level…