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1 g of Mg atoms in the vapour phase absorbs 50.0 kJ of energy. Find the composition of Mg+ and Mg2+ formed as a result of absorption of energy. IE] and IE2 for Mg are 740 and 1450 kJ mol-1 respectively.
a 1.00 kg object is attached to a horizontal spring. the spring is initially stretched by 0.500 m and the object is
Vector has a magnitude of 63 units and points due west, while vector B has the sasme magnitude and points due south. Find the magnitude and direction of a) A + B and b) A - B. Specify the directions relative to due west.
A particle has a charge of q = +5.9 μC and is located atthe orgin. As the drawing shows, an electric field of E x = +233N/C exists along the x axis. A mangnetic field also exists, andIt's x and y components are Bx = +1.5 T and By = +1.3 T.
A cosmic ray travels 60km through the earth's atmosphere in 450us , How long does the journey take according to the cosmic ray
a meter stick tilted at 20 degrees from the horizontal is moving by earth. the horizontal component of the meter stick
You are moving into an apartment and take the elevator to the 6th floor. How much work does the elevator do on you alone (without belongings) on the downward trip, which is also made at a constant velocity
A 2000 kg car is slowed down uniformly from 21.0 m/s to 6.00 m/s in 5.60 s.
Compute the Total Resistance of the circuit (in Ω) and enter it (rounded to the nearest Ω) in the space provided. Do not enter the word ohms - just the numeric value.
A man sitting inside the waiting room of a train station is looking out of a window at the train tracks, For how long time does he sees the train
a proton traveling at 3.6 kms suddenly enters a uniform magnetic field of 0.75 t making an angle 55? with the direction
Uniform metal rod, with mass of 3.4 kg and length of 1.5 m, is attached to a wall by a hinge at it's base. A horizontal wire bolted to the wall 0.75m above the base of the rod holds the rod atan angle of 30degrees above the horizontal. The wire is..
A spring is resting vertically on a table. A small box is droppedonto the top of the spring and compresses it, What is the magnitude of the spring's displacement whenthe spring is fully compressed
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