Стальной шар весом 40 г, падающий с высоты 2 м на стальную пластину, отскакивает от него на высоту 162 см. Найти импульс силы, полученный доской во время удара. A steel ball weighing 40 g, falling from a height of 2 m onto a steel plate, bounces from it to a height of 162 cm. Find the force impulse received by the board during the impact.

Q: 7- The kinetic energy of a 20.0 N object is 5.00×10² J. What is the speed of this object?

A:

Q: how to convert 1 m^3/s to kg/s

A: Given  Volume flow rate of water                          (∆V/∆t) = 1 m3/s   We have to convert it…

Q: or the circvit shawn te =0.B9 mA こ568 2,-27.0 Kん 3 =10.1 K r Vz =85.63 Determire the otehal acvoSs…

A:

Q: The least count of the main scale of a screw gauge is 1 mm. The minimum number of divisions on its…

A:

Q: The figure shows two infinite wires perpendicular to the xy-plane with identical currents I = 30 A.…

A: given,currenti=30 Ar1=1 mr2=2 m

Q: What geometrical shape has the least surface area for a given volume?

A: The geometrical shape has the least surface area for a given volume is sphere.

Q: The plate is subjected to the two forces at A and B as 60°, determine the magnitude of the resultant…

A:

Q: The following equation is given: Question: Give the correct answer for the units of µ, when c is the…

A: In the given question given that an equation and We have to determine the units of permeability.

Q: The quantity dq rev T is not an exact differential.

A: The given Quantity is dq/T It has asked whether it is exact differential or not. We will explain…

Q: Two plates are kept separated by a film of oil of 0.025 mm. the top plate moves with a velocity of…

A: Given : 000Thickness of oil film between the two plates (∆y) = 0.025 mm =0.000025m Velocity of upper…

Q: How does the middle equation equate to the RHS

A: Step 1:  Proving Fμυ​=gμα​gυβ​Fαβ STEP 2:  PROOVING gμα​gυβ​Fαβ=(gFgT)μυ​  STEP 3: PROOVING…

Q: 8 9 70 1 2 3 4 5 6 7 8 Wooden plank - length (CLOSEUP) 9

A: 6.3 12.2 Length of wooden box "l"= 12.2 cm  Width of wooden box "b"= 6.3 cm   Formula used :…

Q: A maser is a laser-type device thatproduces electromagnetic waves with frequencies in the…

A: Given: The frequency of the wave is f = 1420405751.786 cycle/s. The clock is off by 1 s in 100000…

Q: surface area to volume

A: True

Q: Rank these SI distance units from smallest to largest: μm, am, fm, nm, mm, cm, m, km, Gm, Tm, Mm,…

A: Rank these SI distance units from smallest to largest: μm, am, fm, nm, mm, cm, m, km, Gm, Tm, Mm,…

Q: 5 Consirer the kihuing imital va lue preblem x²dy +xy=Y, y(a2 a)w.k the differeheal eguaten se para…

A:

Q: If R is the radius of the earth and g the acceleration due to gravity on the earth's surface, then…

A: Radius of Earth = R,Acceleration due to gravity on the surface of the Earth = g,Let's assume Earth…

Q: If the length of a wire is 6.15 m, the diameter is 0.29 m, and the volumetric density is 0.042…

A: Given data,     Length of wire, L = 6.15 m     Diameter, D = 0.29 m     Volumetric density, ρ =0.042…

Q: 5.- For A = 3î +ĵ-k, B = −î+ 2ĵ+ 5k and C = 2j - 3k, find a) C - (Ā – B), b) (Ā + C)xB

A: We need to find,

Q: х- сomponent у- соmрonent com

A:

Q: A certain fuel-efficient hybrid car gets gasoline mileage of 55.0 mpg (miles per gallon). If you are…

A: The mileage of the car in mpg.

Q: Three batteries of o 15 V with intemal resistance r = 12 V %3D ,and 2 = 12 V %3D er, are connected…

A:

Q: Sailors use the following quadratic function to estimate wave height h, in feet, from wind speed w,…

A: Given Data: The quadratic function of height h and wind speed w is: h=0.02w2 (a) The speed of the…

Q: 10. Describe a situation in which an object's speed is constant but its velocity is not. 11. (a)…

A: We are going to define a situation  of having speed is constant but velocity is not.

Q: Time left For the circuit shown, R=10, R2=20 R3= 30, and Ra= 40 The potential difference (in v)…

A:

Q: 10. Gravitational constant, G from SI to English units.

A:

Q: A maser is a laser-type device thatproduces electromagnetic waves with frequencies in the…

A: Given: The frequency of electromagnetic waves is f=1420405751.786 Hz. The age of earth is t=4.6×109…

Q: A uniform density sheet of metal is cut into the shape of an isosceles triangle, which is oriented…

A: Consider the whole triangle and the small inner triangle with the slice as the base. These are…

Q: A silver wire of radius r= 0.5 mm and resistance 0.06 Ω is connected to a voltage source of 3.1 mV.…

A: Density of free electron n=1.59×1028m-3 The voltage V=3.1 mV=3.1×10-3V The resistance of the wire…

Q: If the equation of a velocity profile over a plate is u=3 y in which the velocity in m/s at a…

A: Given: Velocity,  u=3y23 m/s μ=8.4 poise μ=8.4 ×10-1kg/ms To find: Sheer stress at y=0 cm and y=5 cm

Q: An engineer wants to wind 10 turns of wire on a cylindrical rod. He/she measures the diameter of the…

A: Given data: Least significant bit is x=0.05 mm. Number of turns is n=10.

Q: In the equation, C2=C, py+0.5pv2, if y is distance, g is gravitational acceleration, p is density…

A: Introduction: When we add or subtract two physical quantity then the dimension of the physical…

Q: يسحب حبل الكتلة لأعلى المنحدر ، كما هو موضح في الشكل. ابحث عن ما يلي: 1. ما عجلة الكتلة المتعامدة…

A:

Q: 71.3 N O 70.3 N O A solid aluminum ball (density= 2700 kg/m³) is suspended in air from a scale,…

A:

Q: 1) If the speed of sound @ 20°C is 343 m/s, what is that equivalent to in miles per hour? CON vert

A: The speed of sound at 20oC = 343 msTo convert : The speed of sound at 20oC to miles per hour

Q: The continuity equation says that

A: Equation of continuity is a verification of mass conservation. Continuity equation says that the…

Q: Let a=i bzl and c=1, The quantity l-ez+abex) be writen values can in,a qurm witanhca )? qor…

A: This question can be easily solved by applying the basic concepts of Physics and mathematical laws…

Q: H.W: A ball is thrown with an initial speed voat an angle 0 below the horizontal from rooftop 44m…

A: Initial height , y = 44 m Distance travelled , x = 32 m Time , t = 2 sec To find = a) Initial…

Q: 1. From I šēčônd to 2 seconds, fast is the object traveling. (Take the difference in distance and…

A:

Q: Two vehicles Pictured below are 3.5 miles apart. take them to meet How long will it Dother? give 15…

A: Given data:  Distance between two vehicles (d) = 3.5 miles Velocity of vehicles 1 (V1) = 15 mph…

Q: The Ekman number, Ek, arises in geophysical fluid dynamics. It is dimensionless parameter combining…

A: Given :            Density ρ            Length L            Seawater viscosity μ            Coriolis…

Q: The charge entering a certain element is shown in Fig. 1.23. Find the current at: (a) t = 1 ms (b) t…

A: Current is the rate of charge flow (dq) per unit time. So,  i =dqdt If charge v/s time graph is…

Q: OPERATORS 3.49. Write each of the following in operator form: (a) y" + 4y' + 5y = e, (b) 2y""=x-2y'…

A:

Equation of Waves

Wave is an oscillation or disturbance traveling in a medium. It performs the transportation of energy but does not carry any matter. This motion of waves will transport fuel in a medium without permanent transfer of mass (particle).