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A 55 Kilogram gymnast hangs vertically from a pair of parallel rings.
a) If the ropes supporting the rings are attached to the ceiling directly above, evaluate what is the tension in each rope?
b) If the rope are supported thus that they make an angle of 45o with the ceiling, determine what is the tension in each rope?
A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and rolls without slipping. At adistance of 391 m, the angular speed of the wheels is 307 rad/s
A father pushes his child on a swing so that the child's speed is 9.00 m/s at the lowest point of his path. What force does the child exert on the seat if his mass is 18.0 kg
Two parallel plate capacitors have circular plates. The magnitude of the charge on these plates is the same. But, the electric field between the plates of the first capacitor is 1.3 x104 N/C, while the field within the second capacitor is 6.0 x 104 N..
A sledge loaded with bricks has a total mass of 17.6 kg and is pulled at constant speed by a ropeinclined at 20.9° above thehorizontal. How much work is done by the rope on the sledge
A 0.54-kg block is hung from and stretches a spring that is attached to the ceiling. What is the mass of the second block
A parallel-plate capacitor has a plate area of 1cm^1 and a plate separation of 2.5 mm. To obtain an electric field of 1.0*10^6N/m between the plates, the magnitude of the charge on each plate should be.
consider an electron in an infinitely deep one-dimensional potential well of width lz 1 nm . thisnbspelectron is
Consider the expansion of 60.0 moles of a monatomic ideal gas along processes 1 and 2 in the figure below. In process 1 the gas is heated at constant volume from an initial pressure of Pi = 95 kPa to a final pressure of Pf = 190 kPa. In process 2 ..
A step-down transformer is used for recharging the batteries of portable devices. find the rms output voltage of the transformer
A 16.0-m uniform ladder weighing 480 N rests against a frictionless wall. Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 820-N firefighter has climbed 3.90 m along the ladder from the bottom
The weights of the worker and crate are 912 and 1590 N, respectively. What is the tension in the cable above the worker
A pulsed laser emits light at a wavelength of 480.7 nm. The pulse duration is 12.1 ps and the energy per pulse is 0.190 J. What is the length of the pulse
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