Calculate the speed a spherical rain drop would achieve falling from 5.00 km (a) in the absence of air drag (b) with air drag. Take the size across of the drop to be 4 mm, the density to be , and the surface area to be .

Q: A bank curve on a highway is designed for traffic to move at 60km/hr. The radius of thecurve is…

A: Given:              vmax= 60 km/hr                 R= 200m                  v= 40 km/hr  For…

Q: The link between relative density and friction angle

A: This study is an attempt to evaluate relative density and friction angle of sands on the basis of…

Q: As relative velocity goes down , the fluid force acting on an object decreases linearly.   is this…

A: Drag force is given by  Where, FD is the drag force CD is the drag coefficient ρ is the density of…

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A:

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A: The net acceleration on the liquid kept in a cylindrical vessel depends on the motion of the…

Q: An airplane flying at 200.0 m/s makes a turn that takes 4.0 min. What bank angle is required? What…

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Q: calculate the velocity a spherical rain drop would achieve falling (taking downward as positive)…

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Q: The bob of a 3 m pendulum describes an arc of circle in a vertical plane. If the tension in the cord…

A: Given: The length of the pendulum is r=3 m. The angle is θ=30°. According to question, the…

Q: What is the force (in N) of gravity between two 1130 kg cars seperated by a distance of 27.0 m on an…

A: Data given, mass of two cars = 1130 kg means , m1 = m2 = 1130 kg distance between cars ( d ) = 27 m…

Q: Calculate the terminal speed in air and the characteristic time for a football of diameter 0.23 .m…

A: Terminal velocity is given by V=2mgdAC V- Terminal velocity of football m- Mass of football = 0.450…

Q: Calculate the speed (in m/s) a spherical rain drop would achieve falling from 3.30 km in the absence…

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Q: Consider the drag coefficient to (b) be small ( k=0.03), the decrease in R in the case of air…

A: We know that atmosphere theory guides that during the motion of a falling object the motion of…

Q: A racecar has a dround a track ata of 20° and has radius Of 70 m. coefficient of friction mass of…

A: Given: Mass of car = 860 kg Angle of inclination = 20 degree Radius of road, r = 70 m Coefficient of…

Q: A circular automobile racetrack is banked at an angle θ, to the horizontal, such that no friction…

A: Solution: Given that ; No friction condition V = 30m/s r = 400 m Fnet = Fcentripetal force mg tanθ…

Q: In general, how does the drag coefficient vary with the Reynolds number at (a) low and moderate…

A: Drag coefficient is a proportionality constant between overall hydrodynamic force and velocity head.…

Q: At what altitude L (km) above such that the weight of an object reduced to one-third of its…

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Q: A diver springs upward from a board that is 3.08 meters above the water. At the instant she contacts…

A: Vertical component =Vy=Vsinθ    ⇒ Vy=9.13 sin 78°=8.93  Horizontal component Vx= V cos θ⇒Vx=9.13…

Q: - The depth, d at which the value of acceleration due to gravity becomes 1 times the value at the…

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Q: Suppose you wish to whirl a pail full of water in a vertical circle at a constant speed without…

A: Given that :r=0.65m+0.17cmg=9.81 m/s2

Q: Question 24 Find the acceleration due to gravity in a mine of depth 640 m if the value at the…

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Q: An aluminum can is half-filled with water and whirled about in a horizontal circle on the end of a…

A: Given data: Length (L) = 1.00 m Mass (m) = 0.115 kg Speed (v) = 10.0 m/s Required: The tension in…

Q: One 1050 kg car rounds curve of radius 75 m banked at an angle of 15 degrees, if the car is…

A:

Q: Consider a spherical bacterium. with radiuS 0-l05m,talling in Water atao°C. Find the terminal speed…

A: Anything that flows is fluid. Every fluid has a certain viscosity. Viscosity is a measure of the…

Q: A Styrofoam ball of radius 51 cm falls with a terminal velocity of 7.33 m/s. What is the mass of the…

A: vt=2r2ρstyrofoam-ρairg9η7.33 m/s=20.51 m2ρstyrofoam-1.3 kg/m39.8 m/s29112.9 kg/m3=ρstyrofoam-1.3…

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A: Gravity on moon is equal to the one sixth of gravity on earth. g' = g / 6 where, g' is the gravity…

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Q: Find the angle of banking for a highway curve of 90 meters radius designed to accommodate cars…

A: Given:radius, r = 90 mspeed, S = 60 kph =60×1033600 s=16.67 m/s

Q: Calculate the speed (in m/s) a spherical rain drop would achieve falling from 2.50 km in the absence…

A: The raindrop falls from a height s = 2.5 km = 2.5×103 m Size across the raindrop (diameter) d = 3 mm…

Q: A stuntman whose mass is 70 kg swings from the end of a4.0-m-long rope along the arc of a vertical…

A: Given,

Q: If you walk along a log floating on a lake, why does the logmove in the opposite direction?

A: Newton’s third law says that each action always reacts in an equal and opposite direction and…

Q: Consider a Falcon 9, a two-state-to-orbit launch vehicle. The take-off mass of Falcon 9 is mto =…

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Q: A car rounds a banked curve of radius R, at a speed V that is smaller than that given by the…

A: Given: Speed,V=rg tanθ Coefficient of friction,μ=0

Q: A locomotion of mass 105 kg rounds a curve of radius in the path y-3t², when t=3sec of velocity…

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Q: Calculate the speed (in m/s) a spherical rain drop would achieve falling from 1.50 km in the absence…

A: Given, Height = 1.50 km =1500 m size of drop is 2mm density is 1.00*103 kg/m3 surface area πr2

Q: A curve in a ro ad has radius of 240 m. IF the road surface is level and on a rain day the coe…

A: Given that, Radius = 240 m Coefficient of static = 0.48

Q: A car is fravelling as m what is the anound a level cuwe of radivs 180m. minimum value of the…

A:

Q: A 3 kg ball falls into a long cylinder filled with oil and the friction with the oil molecules can…

A: Given: mass of ball, m = 3 kg             friction force, f = -bV  where b = 2.4 kg/s

Q: On a wet road, the coefficient of static friction between a car's tires and the flat road is 0.40.…

A: The equation for the maximum speed the car can have is given by,

Q: The sling BAC is used to lift the 10-kN load with constant velocity. By drawing the free-body…

A: Given: Sling BAC is lifted with force, F=10 kN=10000 N AB & AC is making angle θ with vertical.…

Q: Calculate the magnitude of the drag force on a missile 53 cmin diameter cruising at 250 m/s at low…

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Q: ) Describe how the terminal velocity of a small sphere falling through motor oil could be measured.…

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Q: atio of the drag force on ving at 834 km/h at an

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.