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1 explain why the melting point and boiling point of alkali metals are low2 why is the ionisation action of alkali
1 a 50 ml volume of hcl solution and 05 m concentration was added to a sample of 55 g of magnesia milk this solution
two protons are separated by a distance of 100 my if an electron is placed between the two protons and is 040m from one
four charges q are located at the corners of a square of sides what is the electric potential at the center of the
a 90 ohm and a 60 ohm resistor are connected in a series to a 12v battery a what is the current on the circuit b what
a 80 ohm and a 40ohm resistor are connected in parallel to a 12vbattery a what is the current in in the circuit b what
a high energy pulsed laser emits 350 nano second-long pulse of average power 170nbsptimesnbsp1011nbspw the beam is
in 1897 english physicist jj thomson discovered the electron with a very elegant and relatively simple experiment
a merry-go-round with a mass of 250kg and a radius of 3 m as a moment of inertia formula of imbullr2nbspand is rotating
melinda wants to lose 15 pounds by summer which is 20 weeks away she currently weighs 150 pounds and is maintaining her
explain the concept of behavior modification in a weight-loss program and describe some of the strategies one might
two wires with the same length but different cross sectional area which wire has a larger electric
consider an lc circuit in which the inductance is 627 mh and the capacitance is 011 microfa what is the resonant
a a hydrogen atom has its electron in thenbspnnbsp 2nbsplevel the radius of the electrons orbit in the bohr model
vector a has a magnitude of 800 units and makes an angle 45 degrees with the positive x-axis vector b also has a
adult and child in 1m wide revolving door adult pushes to get through door but the child counteracts by pushing in the
if a 41 k resistance is introduced into this circuit in series with the inductor and capacitor what is the angular
if an object is extremely far from a mirror approaching infinity 1do becomes zero in this situation where will the
the output emf of a generator is given by v t a sinomega t where a 297 v find the rms current in the circuit when
in a fission reaction how does the term critical mass relate to the term chain reactioncontrol rods and coolant affect
a 15cm tall object is placed 12 cm away from a converging mirror the image is magnified to four times its original
a student places a 50cm tall object 15cm away from a converging mirror the image is 12 cm from the mirror showing your
a plane flies from base camp to lake a a distance of 280 km at a direction of 200 degrees north of east after dropping
a 0204 h inductor is connected to a capacitor and a 256 resistor along with a 75 hz 121 v generator to what value
as a protest against the umpires calls a baseball pitcher throws a ball straight up into the air at a speed of 180 ms