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A 10 m radius of thin spherical tank is to be used to store gas if the wall thickness of the tank is 10 mm and the 125 mpa the maximum possible gas pressure neglecting the radial stress is A (0.25mpa) b(0.125) c(0.5mpa) d (1mpa)
a conductor carrying a current i 15.3 a is directed along the positive x axis and perpendicular to a uniform magnetic
A molecule of DNA (deoxyribonucleic acid) lies along a straight line. It is 1.472 µm long. The ends of the molecule become singly ionized; negative on one end, positive on the other. The helical molecule acts as a spring and compresses 1.5% upon beco..
Three resistors having resistances of R1 = 1.53?, R2 = 2.37?, and R3 = 4.73?respectively, are connected in parallel to a 28.3 V battery that has negligible internal resistance. Find the equivalent resistance of the combination
Two people carry a heavy electric motor by placing it on a light board 2.00 m long. One person lifts at one end with a force of 100 N, and the other lifts the opposite end with a force of 900 N.
two particles are fixed to an x axis particle 1 of charge q1 2.43 x 10-8 c at x 22.4 cm and particle 2 of charge q2
A 52.2 kg pole-vaulter fallsfrom rest from a height of 4.8 m onto a foam-rubber pad. Calculate the athlete's velocity just before reaching the pad
hydrogen peroxide decomposes in water by a first order process. a 0.156 m solution of h2o2 decomposes with an initial
Propose an experiment on the RFP. A correct statement about a physical system? I need an experiment that refutes this statement (The Momentum Principle) or supports it
A spherical mirror is to be used to form an image, four times as tall as an object, on a screen positioned 4.6 m from the mirror. Describe the type of mirror required
A rock of mass 5.0 kg is falling through the air. An altitude if 200m is moving at, 10m/s. When it passes 100m in altitude it us moving at 35 meters per s. What is the size of air resistance and in what direction?
Derive the equation for motion of the object starting from the force equation. Show each step and find the time at which it reaches ground and it's speed when it hits the ground.
a tiny sphere of mass 7.90 microg and charge ?2.80 nc is initially at a distance of 1.74 microm from a fixed charge of
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