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1-during a hard sneeze your eyes might shut for 038 s if you are driving a car at 96 kmh during such a sneeze how far
light of wavelength 240 pm is directed onto a target containing free electronsa find the wavelength of light scattered
problem 3 - use mathematica for plotting a particle of mass m 1kg is subjected to a onedimensional force ft ktet
a toy rocket with a mass of 300g takes off in a vertical direction under the influence of gravityit burns fuel at the
at a given instant in time a 10-kg rock is observed to be falling with an acceleration of 85 ms2 what is the magnitude
design a circuit to measure a dc voltage in the range from 0 to 400 v for a full-scale deflection the indicating meter
design a circuit to provide 60 w at 50 v to a resistive lamp from an ac supply of 120 v plusmn 10 at 60 hz the circuit
design a circuit to charge a 2-microf capacitor from a dc supply of 24 v the charging current should be limited to 1 ma
an amplifier is required to amplify the output signal from a transducer that produces a constant current of is 100 mua
an amplifier is required to give a current gain of ai 50 plusmn 15 the source resistance is rs 100 komega and the load
the length and width of a rectangular room are measured to be3955plusmn0005m3955plusmn0005m size 123 955 - 0 005 m
a crate is pulled to the right with a force of 886 n to the left with a force of 1124 n upward witha force of 6693n and
1 an electric motor accomplishes what taskconverts chemical energy into mechanical energy converts electrical energy
a jet aircraft with a mass of 4325 kg has an engine that exerts a force thrust equal to 60800 na what is the jets
a car travels along a straight line at a constant speed of 535 mih for a distance d and then another distance d in the
when a photon having energy of 12ev strikes a metal whose threshold energy is 10ev what is the minimum and maximum
express the distance between the sun and earth in meters with a meter prefix kmexpress your answer to two significant
prologuebullbriefly what is sciencebullthroughout the ages what has been the general reaction to new ideas about
a current carrying gold wire has diameter 084mm the electric field in the wire is 049 vm what area the current carried
suppose that the displacement of an object is related to time according to the expression x bt2 what are the
if one of the satellites is at a distance of 20000km from you what percent accuracy in the distance is required if we
an ideal spring of negligible mass is 120 cm long when nothing is attached to it when you hang a 315 kg object from it
the uniform plank abcweighs 400 n it is supported by a pin at aand a cable that runs around the pulley d determine the
a ball of weight q and radius r is attached by a string ad to a vertical wall ab as shownin fig determine the tensile
a solid sphere is set into motion on a rough horizontal surface with alinear speed v in the forward direction and an