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A steel beam has a length of 10 m and a cross-sectional area of 1 cm2. If the length of the beam changes by 0.50 mm with an applied force of 10,000 N, what is the Young's modulus of steel?
an 8.00kg point mass and a 14.5kg point mass are held in place 50.0 cm apart. Find the magnitude of the acceleration of the particle
A pendulum, consisting of a ball of mass m on a light string of length 1.00 m, is swung back to a 45° angle and released from rest. What is the block's speed after the collision
Jack and Jill are on two different floors of their high rise office building and looking out of their respective windows. What is the height between the two window ledges
A rod is measured to be 12cm by an observer moving at 0.60c with respect to the length of the rod. What is the proper length of the rod
A block of mass M = 0.8 kg hangs at the end of a massless spring. What is the new equilibrium extension of the spring
Two identical cylinders (except for their volumes) at the same temperature each contain the same kind of gas and the same numberof moles of gas. If the volume of cylinder A is 6 times greater than the volume of cylinder B,what can you say about the r..
In the Challenger Deep of the Marianas Trench, the depth of seawater is 10.9 km and the pressure is 1.16 x 10^8Pa (about 1.15 x 10^3 atm). What is the density of seawater at this depth
A 44 kg woman in an elevator is accelerating upward at a rate of 1.0 m/s2. What is the net force acting upon the woman
A resistor (R = 900 ?), a capacitor (C = 0.25 µF), and an inductor (L = 2.0 H) are connected in series across a 240 Hz AC source for which ?Vmax = 125 V. compute the phase angle between the current and voltage
Vector A has a magnitude of 8 units and makes an angle of 45.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. (Using graphical methods), find (a) vector sum A + B and (b) vector diffe..
A hollow plastic sphere is held below the surface of a freshwater lake by a cord anchored to the bottom of the lake. When the sphere comes to rest, what fraction of its volume will be submerged
A large positively-charged object with charge q = 3.75 ?C is brought near a negatively-charged plastic ball suspended from a string of negligible mass. what is the angle the string makes with the vertical
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