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What is the maximum force that can be exerted on the femur bone in the leg if it has a minimum effective diameter of 3.4 cm? Answer in units of kN.
A sculpture is 7.50 m tall and has its CG located h=3m above the center of its base. The base is a square wu=ith a side of d=13.6 m. To what angle beta can the sculpure be tipped before if fall over
Let's play Jeopardy! For $100, the answer is: that elegant classical mechanics equation that is almost only of any practical value in solving specific problems when it is completely separable.
A 2.8 m diameter merry-go-round with a mass of 250 kg is spinning at 24 rpm. John runs tangent to the merry-go-round at 5.0 m/s, in the same direction that it is turning, and jumps onto the outer ed
A force F applied to an object of mass m1 produces an acceleration of 3.10 m/s2. The same force applied to a second object of mass m2 produces an acceleration of 1.90 m/s2.
Now imagine that you are a Haitian taptap driver and want a more comfortable ride. You decide to replace the springs with new springs that can handle the typical heavy load on your vehicle. What spr
To determine the mass of a car, a student (with a friend at the wheel) pushes the car holding a bathroom scale between himself and the car and carefully maintains a constant reading of 400 N on the
Vertex, is pulled as shown until the separation between C and D (from the top to the bottom of the diamond) is 2m. The process takes 0.16s. What is the average current generated in the loop.
For a damped oscillator with a mass of 370 g, a spring constant 93 N/m and a damping coefficient of 65 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at
If the gas in a container absorbs 288 J of heat, has 145 J of work done on it, then does 64 J of work, what is the increase in the internal energy of the gas?
A hole of radius is drilled into the disk, with the center of the hole at a distance from the center of the disk (the diameter of the hole spans from the center of the disk to its outer edge). What
The Earth's magnetic field of 79.2uT and then in 0.211s it is flipped 120 degrees. What is the strength of the average emf generated in the coil, answer in units of mV.
A scaffold of mass 80 kg and length 5.1 m is supported in a horizontal position by a vertical cable at each end. A window washer of mass 72 kg stands at a point 2.0 m from one end. What is the tensi
A beam of light enters the fiber from air at an angle theta1 with respect to the normal. What is theta1 if the light strikes the core-cladding interface at the critical angle thetac?
Find change in the magnetic flux through the coil when the current in the solenoid increases to 5.9A in a period of 0.93s.
Two children ride on a Merry-go-round. One is 2 m from the axis of rotation and the other is 4 m from it. Which child has the larger;
A 40.0 rock slides on a rough horizontal surface at 8.50 and eventually stops due to friction. The coefficient of kinetic friction between the rock and the surface is 0.300. What average thermal pow
A boxcar of mass 200 tons at rest becomes uncoupled on a 2.5o grade. If the track is considered to be frictionless, what speed does the boxcar have after 10 seconds?
A 3.83kg object is swung in a vertical circular path on a string 6.19 m long. the acceleration of gravity is 9.8m/s^2. If the speed at the top of the circle is 8.4 m/s, what is the tension in the st
Measures a time of 20.5 s before the rock returns to his hand. What is the acceleration (magnitude and direction) due to gravity on this planet?
a) How long does it take for the last car to to come to rest momentarily? b) How far did the last car travel before momentarily coming to rest?
A cylinder is rolling along the ground without the slippingat 7m/s. It comes to a hill and begins going up. Assuming no losses to friciton, how high vertically will it go before it stops?
The objects start from rest 3.00 m apart. Treating the pulley as a uniform disk, determine the speeds of the two objects as they pass each other.
IF the teacher is 170 cm tall and walks at a rate of 0.450 m/s, does the paper ball hit her? If not, how close does it come?
To what temperature will it warm before it emits as much energy (from both sides) by radiation as it absorbs on the sunny side? Assume the sail is so thin that the temperature is uniform and no ener