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(a) An electron in a hydrogen atom has orbital angular momentum quantum number l=5. Find the least possible angle between its orbital angular momentum vector L the component Lz? (b) An electron in a multi-electron atom has l=3. Find what values of its other quantum numbers (n, m1,ms) are possible?
A Styrofoam cup holding 155 g of hot water at 97°C cools to room temperature, 23.0°C. What is the change in entropy of the room
The earth's magnetic field, like any magnetic field, stores energy. The maximum strength of the earth's field is about 7.0 10-5 T. Find the maximum magnetic energy stored in the space
the drawing shows a golf ball passing through a windmill at a miniature golf course. the windmill has 10 blades and
a skateboarder starting from rest rolls down a 13.0 m ramp. when she arrives at the bottom of the ramp her speed is
A merry-go-round is stationary. A dog is running on the ground just outside its circumference, moving with a constant angular speed of 0.705 rad/s. Determine at what time will the dog reach the bone
A ray of light enters a glass cube point A at an incident angle of 45 degrees and undergoes total internal reflection at point B. Find the maximum possible value of index of refraction for the glass?
A 0.80 -long metal rod is dropped vertically onto a marble floor. When the rod strikes the floor, it is determined electronically that the impact produces a 5 kHz-tone. What is the speed of sound in the rod?
A uniform disk with a mass of 130 kg and a radius of 1.1 m rotates initially with an angular speed of 950 rev/min. How much work must this force do to stop the wheel
A uranium and iron atom reside a distance R = 43.90 nm apart. The uranium atom is singly ionized; What is the magnitude of the force on the electron from the uranium ion
Earth's radius is 6.38 × 106 m, and it completes one revolution every day. What is the tangential speed of a person standing on the equator
Two square metal plates are placedparallel to each other, separated by a distance d= 1.34 cm. The plates have sides of length L = 0.790 m. One of the plates hascharge Q= + 3.42×10 -6 C, while the other plate hascharge -Q.
The cookie you will eat after this exam will have a mass of 186 grams. How much energy would this cookie give you
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