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a marble column of a cross sectional area 1.5 m^2 suports a mass of 24000 kg
A- what is the stress within the ciolumn? N/m^2
B- what is the strain?
A 779-kg car stopped at an intersection is rear-ended by a 1820-kg truck moving with a speed of 15.0 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find out the final speed of both vehicles ..
Water flowing through a 2.00cm diameter pipe can fill a 280 L bathtub in 5.0 minutes. What is the speed of the water in pipe.
In building a particle accelerator, you manage to produce a uniform electric field of magnitude 4.03 × 105 N/C in one 40.5 cm section. How much work is required to move a proton through the section
The second-order dark fringe in a single-slit diffraction pattern is 1.40 mm from the center of the central maximum. calculate the wavelength of the incident light
For no apparent reason, a poodle is running at a constant speed of 6.00 m/s in a circle with radius 2.9 m. Let v1 be the velocity vector at time t1 , and let V2 be the velocity vector at time t2 . Consider (change in v)=v2-v1 and (change in t)=t2-..
An electron is released from rest at the point midway between the two charges, and it moves along the line connecting the two charges. Illustrate what is the speed of the electron when it is 10.0 from charge 1?
The microwave radiation left over from the Big Bang explosion of the universe has an average energy density of 3.87 Ã- 10â€"14 J/m3
A mass m is attached to an ideal cord of length L (figure at left). What is the tension in the cord at that moment
An 86kg man drops from rest on a diving board 3.0m above the surface of the water and comes to rest 0.55s after reaching water. What is the net force on the diver as he is brought to rest.
(a) What is the velocity of the boat at t = 18.89 s? (b) Find the total displacement of the boat.
A playground carousel is free to rotate about its center on frictionless bearings, and air resistance is negligible. What is the person's mass
An aircraft with a mass of 956 kg accelerates from 0 to 92 m/s in 6.7 seconds, What is the kinetic energy of the aircraft when the aircraft launches
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