In testing a new material for shielding spacecraft, 126 small ball bearings, each moving at a supersonic speed of 410.1 m/s, collide headon and elastically with the material during a 0.803 min interval. If the bearings each have a mass of 7.6 g and the area of the tested material is 0.77 m2 , what pressure is exerted on the material

Q: Compute the decrease in volume of 2.5 x 10-4 m³, of mercury when subjected to a pressure of 20 x 105…

A: Given data: mercury's volume V=2.5×10-4 m3 Pressure P=20×105 N/m2 bulk modulus β=2.8×1010N/m2

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

A:

Q: Show that a stress and a momentum flux have the same unit by showing that a force and the rate of…

A:

Q: Consider a spherical water droplet in still air falling under gravity. If the radius of the droplet…

A: Radius of the droplet, r=25 μm=25×10-6 m Dynamic viscosity, η=1.8×10-5 kg/m·s Density of water is…

Q: Viscosity µ1 = 0.15 Ns / m2, µ2 = 0.5 Ns / m2, µ3 = 0.2 Ns / m2, which is fluids two plates (of each…

A: Viscosity of  fluid—1: μ1=0.15 Ns/m2  Viscosity of fluid—2:μ2=0.5Ns/m2  Viscosity of…

Q: An anchor made of cast iron of bulk modulus 60.0 × 109 PA and volume of 0.230 m3, is lowered over…

A: Given  Bulk Modulus B=60×109 Pa Change in pressure ∆P=1.75 × 106 Pa. Volume V=0.230 m3

Q: Peter catches a 4.2-kg striped bass on a fishing line 0.55 mm indiameter and begins to reel it in.…

A: The Young's Modulus is given by Y=FA∆LL

Q: Suppose you hit a steel nail with a 0.500-kg hammer,initially moving at 15.0 m/s and brought to rest…

A: The acceleration of the hammer can be obtained as The average force experienced by the hammer can…

Q: A small, spherical bead of mass 3.00 g is released from rest at t = 0 from a point under the surface…

A: Mass of  the bead m=3g                               m=3×10-3 kg  Terminal Speed    vt= 2 cm/s =…

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: 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: Passengers traveling in plane A flying horizontally at a constant speed of 800 km /h observe a…

A:

Q: A small, spherical bead of mass 2.50 g is released from rest at t = 0 from a point under the surface…

A: Given: m=2.50g = 2.50*10-3 kgvT=1.60 cm/s = 1.60*10-2 m/s

Q: The velocity field of a fluid v (in meters per second) has divergence div(v)(P) = 3 at the point P =…

A: The flow rate through the box is flowrate=divvP×Volume The velocity field of a fluid v has…

Q: (a) At what time is the water mass greatest, and (b) what is that greatest mass? What is the rate of…

A: Given data: The mass of water is: m The time is: t The function of mass with respect to time is…

Q: A non-homogeneous bar is 50 cm long and its linear density is given by the function λ(x)=32 + 25x² ,…

A:

Q: A kids rocket team launches one smaller rocket through a guide tube 1.7 m long. The rocket has a…

A: Given : s = 1.7 m m = 450 g = 0.450 kg F = 265 N

Q: A 1.00 kg gold cube hangs at the end of a 4.00 m long string. Pgold 19. 3 × 10³ kg/m³;Pmercury =…

A: Given Mass of the gold cube is m=1.0 kg Density of gold is ρgold=19.3×103 kg/m3 Density of Mercury…

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: A two-dimensional flow field for a liquid can be described by V = {(2y? – æ)i+(3x + y)j} m/s, where…

A:

Q: Consider a spherical water droplet in still air falling under gravity. If the radius of the droplet…

A: In this problem we have to apply the concept of Terminal velocity.…

Q: A steel shotgun with a mass of 3 kg hits a large wall at an angle of 60 ° with the wall at 10 m / s…

A: Given that, Mass of steel shotgun = 3 kg Angle = 600 Initial speed = 10 m/s Contact time with the…

Q: [N94/2/1] A projectile of mass 3.2 x 10-2 kg is fired from a cylindrical barrel of cross-sectional…

A: Given data: The mass of projectile is m=3.2×10-2 kg. The cross-sectional area is A=2.8×10-4 m2.

Q: A cloud has one edge at the origin and extends a distance of 3.9 meters to the other edge. The…

A: given that, distance, L=3.9 m Linear mass density = 177 x4

Q: In about 1657, Otto von Guericke, inventor of the air pump, evacuated a sphere made of two brass…

A: The area projected on the plane by sphere which is equal to the cross sectional area of the sphere…

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

A:

Q: A square metal on the left side is a=10 cm 1c=5 cm a=10 cm centered around origin. Calculate the x…

A: Refer to the figure below:  Let us consider a strip of width dx and length a.  The mass of this…

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: Experimental tests have shown that bone will rupture if it is subjected to a force density of…

A:

Q: Suppose you hit a steel nail with a 0.500-kg hammer, initially moving at 15.0 m/s and brought to…

A: (a) Apply the work-energy theorem between the initial position and final position of the hammer.

Q: Q.2. When an oblique shock strikes a solid wall, it reflects as a shock of sufficient strength to…

A:

Q: A length of cable is 25 meters and has a mass of 100 kilograms. What is the density of the cable? O…

A: Given, length of the cable, l= 25 m Mass, m=100 kg

Q: When water freezes, it expands by about 9%. What would be the pressure increase inside your…

A:

Q: stance h to which a 100 mm diameter hole must be bored into the base of the cone so that the centre…

A: Given:-  The diameter of the cone  d = 100 mm  The height of the cone H = 500 mm  The density of the…

Q: At a depth of 10.9 km, the Challenger Deep in the Marianas Trench of the Pacific Ocean is  the…

A: We are needed  to calculate the total pressure apply on him because that is the range  of pressure…

Q: You hang a heavy ball with a mass of 40 kg from a silver rod 2.8 m long by 2.2 mm by 2.7 mm. You…

A: The ratio of distance to time taken to travel a distance is used to calculate speed. Because it has…

Q: A 1.2-m-external-diameter spherical tank is located outdoors at 1 atm and 25°C and is subjected to…

A:

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: 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: During heavy lifting, a disk between spinal vertebrae is subjected to a 5000-N compressional force.…

A: (a) The expression for pressure is written as, Here, F and A represent the force and the area,…

Density of Solids

The density of a substance refers to how much matter is present in a given amount of space. It is expressed as the ratio of the mass of the substance to its volume.