Q1/(8) If we use the coordinates , y, and to locate a particle at point P(a,y, z) in three diumen- sions, then the instantancous velocity v(t) vector in thrce dimension equal to 3M (a) dt (b) (c)黑 (d) de.

Q: This is an integration problem, to calculate the center of mass (center of gravity) for a continuous…

A: The variation in height,          yx=hxl-12→         1          M=ρt ∫0l  yx dx →          2…

Q: Determine the velocity of the aircraft flying at 2500 m, when the dynamic pressure is 45N/m^2?…

A:

Q: Find the mass and center of mass of the lamina that occupies the region D and has the given density…

A: The given points are - (0,0) , (2,1) , (0,3) ρ(x,y) = 2(x+y) To find = a) mass                 b)…

Q: Only need part CGot answered for rest

A: As per question, a block of mass m=2.5kg, is connected with the two spring, length of the pool L=1.0…

Q: Given that the force per unit area that may cause a bone fracture is 109 dyne/cm2,the minimum mass…

A: Force per unit area that can cause bone fracture is 109 dyne/cm2 Falling height of the person is H =…

Q: A mobile is constructed of light rods, light strings, and béach souvehirs as below. If m4 = 9 g,…

A: assuming that the rods and strings are massless

Q: Consider the portion of an excavator shown. At the instant under consideration, the hydraulic…

A: Given: The length from Point O to B is: r=3.1+2.2=5.3 ft×12 in1 ftr=63.6 in The angle is equal to…

Q: Determined the true magnitude and direction of the forces in members AC and BC when the structure…

A:

Q: Two particle of mass m, = 1.0 g and m, = 2.0 g had a head-on collision and after collision the two…

A: Givenm1 = 1.0 g = 1.0 x 10-3 kgm2 = 2.0 g = 2.0 x 10-3 kgv1 =3.0i^ - 2.0j^v2 =4.0j^ - 6.0k^v= Final…

Q: Find the total mass of the wire with density p whose shape is modeled by r. r(t) = t²i + 2tj + tk,…

A: We know that density of any object is the mass per unit volume. For linear objects, the density or…

Q: 550 1b In the figure shown, compute the minimum value of e so that there is impending motion of the…

A: Solution: Determine the normal reaction by taking the sum of all forces along y-axis and equation to…

Q: 2.18 What is the change in the viscosity and density of water be- tween 10°C and 70°C? What is the…

A:

Q: Find the mass and center of mass of the lamina that occupies the region D and has the given density…

A: Given, 1≤x≤7 and 1≤y≤4. Also ρx,y=ky2 The mass can be calculated as, m=∬ρx,ydA Here, we are…

Q: Consider a helium-filled airship modeled as an ellipsoid of length = 152 m and a circular…

A: Given, Length of ellipsoid is 152 m and diameter is 40 m density at 1000 m is 1.1117 kg/m2

Q: Find the distances of the centre of mass of the lamina from PU and PQ.

A:

Q: If the atmospheric pressure is 1,051 mm Hg and the height difference between the two arms is 14.4 cm…

A:

Q: The terminal velocity of a copper ball of radius 2.0 mm falling througha tank of oil at 20 oC is 6.5…

A: Given information:Radius of the ball (r) = 2.0 mm = 0.002 mThe density of the copper (ρc) = 8.9 ×…

Q: 2.18 What is the change in the viscosity and density of water be- tween 10°C and 70°C? What is the…

A: For water when temperature is rising, particles in it starts moving which in turn lowers viscosity .…

Q: A small, spherical bead of mass 3.60 g is released from rest at t = 0 from a point under the surface…

A: Given data: Mass m = 3.60 g Terminal velocity vT = 2.30 cm/s

Q: 5.64 A stationary nozzle discharges water against a plate moving toward the nozzle at half the jet…

A: Here, the plate deflects the water at a rate equal to the relative velocity of the water with…

Q: An object is released from rest while immersed within a fluid. The terminal speed of the object is…

A:

Q: The Earth's atmosphere normally contains a large number of very small particles, for instance water…

A: Given: The radius (r) of the water droplet is 5 microns. The density of the water (ρ) is 1000 Kg/m3.…

Q: The continuity equation is * based on the principle of conservation of mass O conservation of…

A: Hi. as you have posted multiple questions and not specified which question needs to be solved, we…

Q: 1-41. The velocity profile of a Newtonian fluid flowing over a fixed surface is approximated by u =…

A:

Q: A stream is accelerating from zero to 44.73 m / s. Which of the following is the change in the…

A:

Q: A skater of mass m = 50.0 kg is observed to have a velocity v = 4.0 m/s while she is at an elevation…

A: Given Data : The mass of the skater is given as m = 50 kg. The velocity of the skater at the…

Q: Two hydrogen gas balloons having the same pres- sure and whose volumes are in the ratio of 1: 2,…

A: The expression for the net force act on the balloon is,…

Q: Given that the force per unit area that may cause a bone fracture is 109 dyne/cm2,the minimum height…

A: Mass of person (m) = 70 kgForce per unit area that may cause fracture = 109 dynecm2Area of heels (A)…

Q: 12 kN (1) !D A B 1.5 m-1.5 m -1.5 m-

A:

Q: Determine the magnitude and direction of the force P which keeps the concurrent force system in…

A: As the system of the forces are in equilibrium.   Along x-axis: The equation of the force is given…

Q: Determine the velocity of the aircraft flying at 2500 m, when the dynamic pressure is 45N/m^2?…

A: Given∆P=45 N/m2h=2500 m2

Q: The linear density of a thin rod is given by p = cx, where c is a constant and x is the distance…

A:

Q: Find the mass and center of mass of the lamina that occupies the region D and has the given density…

A: Given data: Region by which given lamina is bounded:  y = 1 − x2 and  y = 0 Density function ρ =…

Q: ng initially at 2.95 m/s on rough horizontal ice comes to rest uniformly in 4.00 s

A: Ans is 47.2 N

Q: A weight lifter holds 900N over his head ?why?

A: To determine  a weighs lifter holds 900N over his head

Q: A block of mass m is immersed in 2 different liquids of densities ρ1and ρ2. The apparent weights are…

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Q: find the mass of body, when the wight of body = 686N .A 70N .B 76Kg .c 70000g .D 60Kg

A:

Q: Determine whether the given velocity vector of a fluid is rotational/ irrotational F(х, у, 2) %3D…

A:

Q: Suppose hydrogen and oxygen are diffusing through air. A small amount of each is released…

A: Given: The time ahead is T=1 s. The relation between elapsed time between hydrogen and oxygen is:…

Q: A small, spherical bead of mass 2.70 g is released from rest at t = O from a point under the surface…

A: Given: Mass of spherical bead m = 2.7 g. Terminal velocity vT = 1.7 cm/s. = 0.017 m/s.

Q: Find the moment of inertia in kg-m^2 of a uniform gas sphere-mass density p of 0.687 kg/m^3 about an…

A:

Q: In testing a new material for shielding spacecraft, 126 small ball bearings, each moving at a…

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Q: Two particle of mass m, = 1.0 g and m2 = 2.0 g had a head-on collision and after collision the two…

A:

Q: A Pyramid with nonuniform density p = (p0/(y3(y+1))) (p0 is the average density) with mass M, square…

A: Let us consider a pyramid with height h and base of side a such that .let the apex is aligned on the…