Calculate the terminal speed in air and characteristic time for
(a) a very tiny spherical raindrop of diameter 0.1 mm
(b) a basketball of diameter 0.25 m and mass 0.6 kg
Calculate the terminal speed in air and characteristic time for (a) a very tiny spherical raindrop...
A spherical raindrop 3.3 mm in diameter falls through a vertical distance of 4000 m. Take the cross-sectional area of a raindrop ,drag coefficient 0.45, density of water to be 1000 kg/m3, and density of air to be 1.2 kg/m3. (a) Calculate the speed a spherical raindrop would achieve falling from 4000 m in the absence of air drag 280 m/s (b) What would its speed be at the end of 4000 m when there is air drag? 1.091 What...
A spherical raindrop 1.9 mm in diameter falls through a vertical distance of 4150 m. Take the cross-sectional area of a raindrop = πr2, drag coefficient = 0.45, density of water to be 1000 kg/m3, and density of air to be 1.2 kg/m3. (a) Calculate the speed a spherical raindrop would achieve falling from 4150 m in the absence of air drag. _________ m/s (b) What would its speed be at the end of 4150 m when there is air...
A spherical raindrop of mass 0.00985 g and radius 1.33 mm falls from a cloud that is at a height of 1299 m above the ground. Assume the drag coefficient for the raindrop is 0.60 and the density of the air is 1.3 kg/m3. What is the raindrop's terminal speed? Please describe a steps
2. Calculate the terminal speed for (a) a raindrop (radius =0.1mm) and (3%) (b ) a gold ball (radius = 35 mm, weight= 1950 g) (3%) (c) if a raindrop is released from the sky (h=10000 m) at t=0 s, then a golden ball is released from the some position at t =3 S, Will golden ball touch the raindrop in the sky? (4%) hint: assume drag coefficient = 0.5 t=0 t=3 te?
Calculate the terminal velocity for a pollen grain falling through the air using the drag force equation. Assume the pollen grain has a diameter of 7 µm and a density of 0.3 g/cm3. If this grain is released from the top of a tree (height 11 m), estimate the time it will take to fall to the ground. Hint: The pollen grain will reach its terminal velocity very quickly and will have this velocity for essentially the entire motion. Your...
A 22 cm diameter bowling ball has a terminal speed of 75 m/s. Suppose that the density of air is 1.2 kg/m3. PART A: What is the ball's mass?
Calculate the speed (in m/s) a spherical rain drop would achieve falling from 4.70 km in the absence of air drag and with air drag. Take the size across of the drop to be 3 mm, the density to be 1.00 ✕ 103 kg/m3, and the surface area to be πr2. (Assume the density of air is 1.21 kg/m3.) (a) in the absence of air drag (b) with air drag
Calculate the speed (in m/s) a spherical rain drop would achieve falling from 4.70 km in the absence of air drag and with air drag. Take the size across of the drop to be 9 mm, the density to be 1.00 ✕ 103 kg/m3, and the surface area to be πr2. (Assume the density of air is 1.21 kg/m3.) (a) in the absence of air drag 303.51 Correct: Your answer is correct. m/s (b) with air drag
A 6.5-cm-diameter ball has a terminal speed of 26 m/s. What is the ball’s mass? Use ρ = 1.2 kg/m3 for the density of air at room temperature.
The air is less dense at higher elevations, so skydivers reach a high terminal speed. The highest recorded speed for a skydiver was achieved in a jump from a height of 39,000 m. At this elevation, the density of the air is only 4.3% of the surface density of air at 20∘C. Estimate the terminal speed of a skydiver at this elevation. Suppose the mass of the skydiver is 90 kg and the cross section area of the skydiver is...