Ex. 29 : A steel wire of length 2.5 m has an area of cross-section 8 x 10-3 cm?. A load of 10 kg is suspended from one end and the other end is fixed. Calculate the elongation. (Y for steel = 2 x 1011 N/m2). %3D
Q: 10 An electron of mass 9.1x10 ^-31 kg and charge 1.6x10^-19 C is ejected from Sodium. If it moves wi...
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Q: AS ME B
A: Original length of the spring, L=246.404 mm Angle the inclined plane makes with the horizontal, θ=34...
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A: Given: The initial position at t=0 s is x(0 s) =0 m. The final position at t=10 s is x(10 s) =50 m. ...
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A: p type Si crystal Doping is done with electron acceptor,Na=1018/cm3The energy gap, Eg=1.12 eVAt 300 ...
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A: Given, 1 kg at (3,2)m 2 kg at (-1,3) we know centre of mass is given by rcm= m1x1+m2x2+....mnxnm1+m2...
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Q: 2. Consider two gamma radioactive sources: S1 has activity 50 uCi (micro-Curie) and S2 has activity ...
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Q: uted using the values 4.5m for the diameter and the maximum error in V if each of these values
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Q: 3. A block of mass m = 2 kg is attached to a spring with spring constant k = 20 N/m. The block was p...
A: This problem related to Simple Harmonic Motion.
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Q: く、 ME A B
A: Let the mass of Block A=m Let the mass of Block B=M Natural length of the springs, L=246.404 mm=0.24...
Q: 13 In the circuit in the figure, &= 25.0 V; R1 = 50.02; R2 = 100 2 and Rs = 150 2. In which of the o...
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Q: Q86. A watt is a. 1 joule per second b. Equal to 1 (kg)(m^2)/s^2 c. The unit for all types of power ...
A: Watt: It is the unit of power. Power is the rate of work done. 1 W=1 J/sSince J=Nm=kgm2/s2So1 W=1 kg...
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Q: Which of the folowing objects has me least momentum? Select one Oa A01 kg object rolling at 25 nus. ...
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Q: 1. The flow is laminar if the Reynolds number is less than approximately 4000. The flow is turbulent...
A: We know the Reynolds number is defined as Re=ρVLμ Where ρ is the fluid density, V is the flow veloci...
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Q: 3. A car is initially travelling at 5.00 m/s and then accelerates to a final velocity of 15.0 m/s in...
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Q: When a stone of mass 2.3 kg is dropped from a height of 3.5 m. its speed is 5 ms when hitting the gr...
A: Here, Mass = 2.3kg Speed = 5m/s Height = 3.5 m
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