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q1 a 16 m ladder whose weight is 231 n is placed against a smooth vertical wall a person whose weight is 981 n stands
question 1a knight of the round table fires off a vat of burning pitch from his catapult at 152 ms at 34 above the
the circuit shown below uses a transistor to turn on an led the led lights when enough forward current flows through it
1 if we had used a heavier strong the graphs velocity vs time would not have been exactly linear but would of curved
the energy topic will be covered later in the course however you already have the tools to dene the energy of an
the speed of a sound wave is 344 msec in air and 1320 msec in watera which medium has the higher index of refraction
in class we calculated the magnetic field along the axis of a circular loop of wire of radius a carrying a current i as
a uniform electric field of magnitude 200nbspvmnbspis directed in the negativenbspxnbspdirection a 107nbspmucnbspcharge
a rocket fires two engines simultaneously one produces a thrust of 380 n directly forward while the other gives a 315 n
1 a street light is supported by two wires and each makes a different angle from each other the one on the left is 32
this is a regulated dc power supply design problemnbsp the students must choose the values of the following
a person pulls a crate with 120 n of force against 100 n of friction a distance of 5 meterssketch a free body diagram
1 a spring with negligible mass stretches 340 cm when a 144 g gram mass is suspended from it now inbspsuspend a mass m
a projectile is fired horizontally from a gun that is 610 m above flat ground emerging from the gun with a speed of 250
1 - discuss the transient and steady states of a dc circuits response to a step input2 - what components must be
during heavy rain a section of a mountainside measuring 38 km horizontally perpendicular to the slope 044 km up along
on the vernal equinox at noon what is the hour angle of a star with a right ascension of 2 hourson the summer solstice
two metal spheres are the same size but have different masses they are dropoped simutaneously from a cliff compare
a car traveling in a straight line has a velocity of 85 ms after 60 s its velocity is 80 ms what is the cars average
q1 an amtrak train starts from atlanta and heads non-stop to greensboro distance 350 miles the train starts from rest
a cylindrical steam boiler shell is of riveted constructionnbsp it is made from plates 18mm thick and has a diameter of
1 choose a simple integrated circuit component and draw an annotated diagram of how it is constructed give a brief
a bare hot wire contracts the metal housing of the socket assembly the worker is holding in his hand while he is using
question 1a worker exposure to noise in a given plant is measured as follows during various time periods in an 8-hour
part -11 define enthalpy2 what is the relationship between the enthalpy of a reaction and its classification as