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q1 a normal run of the mill spark-ignition engine otto cycle runs with a compression ratio of 1051 while operating with
a 5000g block slidong down an 1 meter high incline crashed into a spring at the bottom of the incline given that the
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it takes 62 j of work to stretch a hookes law spring 976 cm from its unstressed length how much the extra work is
1 the mass of a penny is 250 g what is the gravitational potential energy of the penny if it at rest at the top of the
a box slides down a inclined plan with 37 degrees angle with the acceleration 4ms2 how is the coefficient of
a train does 50e7 j of work in travling 5000m what was the average force of friction from all sorces acting on the
determine the maximum injection angle that will result in the greatest downrange distance r assume v 10 ms and g is
a cube of aluminum cp 0897 jgbullk has a temperature of 325 k it is placed in a beaker of cold water if the aluminum
when a crown with mass 147 kg is submerged in water an accurate scale reads only 134 kg is the crown made of
a car which has a mass of 1250 kg is moving with a velocity of 260 ms what is the kinetic energy of this
explain the statement that in inductive circuit when inductance l or inductive reactance xl increases the circuit
how much heat is needed to raise 20 grams of water from 5degc to
a car moving at 500 mph appraoches a turn if the maximum coefficients of static friction between the cars tires and the
two charges are located in the x-y plane if q1 -425 nc and is located at x 000 m y 0680 m and the second charge has
a 800 n box is lowered from rest by a crane if it travels 12 meters downward in 10 seconds what is the tension in the
the small pistion of a hydraulic press has an area of 20 cm2 and the large position has an area of 16 cm2 if the small
the source voltage for the power supply circuit is 230 v rms at 50 hz calculate the following for a load resistance of
1 determine the minimum cross sectional area the cable shown must have if the allowable stress in the cable is 10000