A car travels in the positive ?-direction in the reference frame ? at an ordinary speed. The reference frame ?′ moves at a speed of 0.80?, along the ?-axis. The rest length of the car is 2.50 m. Calculate the length ? of the car according to observers in the ?′ frame.

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Q: 2. Obtain the threshold energy for the reactions, (i) Bi (p, d) Bi (ii) HAl (a, p) BP 3. Using…

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Q: K07

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A: Mass of the object m = 6 kg Spring constant k = 18 N/m Initial position xo = 2 m Initial velocity vo…

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Q: 1-a What was the energy density of the MBR when light now arriving at the earth left a distant…

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Q: Consider that you measured an angle 0 to be 40 degrees. The uncertainty of your measurement is ± 1…

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Q: 27 Jof heat energy is transferred into an ideal gas and 46 J of work is done on the gas. What is the…

A: Given data Q=27 JW=-46 J Here, Q is the heat transfer and W is the work done. The negative sign…

Q: 4. The escape velocity on the surface of a planet with known mass M and radius R can be calculated…

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Q: Calculate the de Broglie wavelength of a 1 g bullet travelling at 2000 m/s. ' A. 0.33X10-34m В.…

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Q: th, what is the time interval between th

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Q: An unstable particle with a mass of 3.34'10-" kg is initially at rest. The particle decays into two…

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Q: The 150-kg block A shown is released from rest. If the masses of the pulleys and the cord are…

A: mass of Block A, mA=150 Kg mass of the Block B, mB=30 Kg The Free Body diagram is given by:

Q: In the figure R1 = 5.05 Q, R2 = 15.2 Q, and the ideal battery has emf e = 10.7 V. (a) What is the…

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Q: In inertial reference frame A, the energy and the momentum of a particle are measured to be 30[MeV]…

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Q: lons of mass 1.17 x10-26 kg and charge q = +2e are initially stationary. They gain kinetic energy by…

A: Concept: Given: Mass=1.17×10-26 kgCharge (q)=2ehere,e=1.6×10-19 CPotential Difference (V)=5.50…

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Q: ketch the dispersion relation (E vs. kx) for a quantum-mechanical free-electron in one-dimensional…

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Q: What are the characteristics of the electron spectra of atoms and molecules?

A: Atoms and molecules show different spectra in some sense.

Q: An R1 of 30 Q, and an R2 of 10 Q are connected in series, and they are connected in parallel with an…

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Q: A speedter traveling at a constant speed of 120km/h passes a waiting police car which immediately…

A: The speedster is travelling at a constant speed of 120 km/h v=120 km/h=120×10360×60 m/sv=33.33 m/s…

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Q: There is twin, Ethan (E) and Stanley (S), if E stays on Earth while, S travels in Spaceship with a…

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Q: 3. Calculate the binding energy (in MeV) for 'Be4. It is given that, M(Be)= 9.0121858 u, Mp =…

A: Have a look

Q: S5. Two small uniform smooth spheres have masses m and 3m, and speeds 7u and 2u in…

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Q: Discuss about the fundamental forces of nature and their properties.

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Q: A 25-kg metal cylinder with a cross-sectional area, A = 0.5320 m² and depth, H = 0.05m was immersed…

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Q: Question 2.. A simplified model of hydrogen bonds of water is depicted in the figure as linear…

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Q: 10NA A(2,3, 5) B(3, 1.-2) D(-4, -2.0) C(4,0, 10) In the above, B, C, D are fixed and their…

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Q: If A = 2yz i – (x +3y – 2)j+ (x² + z)k, evaluate SS, (V × A)· dS over the surface of intersection of…

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