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a ladder weighs 150n is 5 meters long and is leaning against a frictionless wall at an angle of 30 degress with the
an airplane with a speed of 76 ms is climbing upward at an angleof 44deg with respect to the horizontal when the planes
a rigid conducting loop has the shape of an equilateral triangle with sides a 42 cm each side of the loop has
a block attached to a spring of unknown spring constant oscillates with a period of 20 seconds what is the period when
a girl is sitting near the open window of a train that ismoving at a velocity of 8ms to the east the girls unclestands
a 040 kg mass attached to the end of a 075 m string is whirled around in a circular horizontal path if the maximum
the critical angle for a air-glass interface is 109 degreesa ray in air is incident on the interface the reflected ray
light reflected from a glass ng 159 plate immersedin ethyl alcohol ne 136 is found to be completelylinearly polarized
a person walks into a room and switches on the ceiling fan the fan accelerates with constant angular acceleration for
a gas of 800times1019 atoms or molecules has 110 jof thermal energy its molar specific heat at constant pressure is 208
assume the orbital of a lunched satellite around the earth is circulara show that there is only one speed that a
two identical capacitors each with capacitance c are connected in series and the combination is connected in paralell
a curve of radius 300 m is banked so that a car traveling 400kmh can round it even if the road is so icy that the
an lcr circuit contains a resistor with r 4200 omega a capacitor withc 6000 microf and aninductor with l 20 mh
a 49 kw heater is designed to beconnected to a 120 v rms source what is the power dissipated bythe heater if it is
when a ceiling fan rotating with an angular speed of 170 rads is turned off a frictional torque of 0263 nmiddotm slows
a computer draws an rms current of 270 aat an rms voltage of 120 v the average power consumption is279 wa what is the
a pulley rotating in the counterclockwise direction is attached toa mass suspended from a string the mass causes the
a steel section of the alaskan pipeline had a length of 65 m and atemperature of 22degc when it was installed what is
jamal pulls a 150-n sled up a 280 degrees slope at constantspeed by a force of 100 n near the top of the hill he
an electron moving from the negative terminal to the positiveterminal of a 12 volt battery gainsor loses how much
a simple pendulum has a mass of 0250kg and a length of 400 m it is displacedthrough an angle of 110deg and then
a block of unknown mass is attached to a spring with aspring constant of 500 nm and undergoessimple harmonic motion
ocan you do it within 2daysoeach question should be no longer than 500 words not inclusive of your references - 20
a trading company purchased video and digital cameras from a producer for its new store with a total of 146881 the