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a loaded cart has a mass of 227kg if a 312n force acting at an angle of 30degree to the ground is applied how much work is done in moving the cart
neglecting friction what is the child3939s gravitational potential energy at the top of the swing what is the child3939s kinetic energy at
maximum 20 ma current can flow through a zener diodeif zener voltage 6v how much resistance will have to be applied in series with the zener diode
is motion of a ball on a smooth surface an example of uniform velocity is motion of a ball on a rough surface an example of variable velocity is a
a bird flies in the east direction with a speed of 5 ms -1 the wind is blowing towards north at a speed of 3 ms -1
8 system is shown in the figure assume that cylinder remain is contact with the two wedges find the speed of cylinder at the given
which one of the following engine has thr highest effeciency carnot engine or rankine engine or otto
a boy throws a ball of mass 20 kg vertically upwardsit raises to a maximum height of 100 mat what height will the kinetic energy be reduced to
a particle has initial velocity 5 ms due east and acceleration 2 ms2 due west find the distance traveled during 3rd second of the
a bird flies in the east direction with a speed of 5 ms-1 the wind is blowing towards north at a speed of 3 ms-1 determine the relative velocity
m2 85 kg is accelerating down an incline at a constant rate m1 is being pulled by a string attached between the two masses the coefficient of
the centre of oscillation of a meter stick suspended about a transverse axis is located at the 10cm markdetermine at what other positions could the
the line density of charge in a wire is 020 cm-1 if this wire is symmetrically enclosed along its length by a cylindrical surface of radius 10 m and
how to find out neutral point what all things we require to equate or form a equation to find the neutral poind and how to do
a block of mass 2 kg is pulled up on a smooth incline making angle 30 degrees with horizontal if block moves with an acceleration of 1 ms2 find
a copper pot with mass 0500 kg contains 0170 kg of water ata temperature of 200ordmc a 0250-kg block of iron at850ordmc is dropped into the pot find
suppose that the sun runs out of nuclear fuel and suddenly collapses to form a white dwarf star with a diameter equal to that of the earth assuming
a pair of speakers separated by 0700 m are driven by the same oscillator at a frequency of 688 hz an observer originally positioned at one of the
heres what is given a there are three 1 meter sticks b there are four weights weight 1 1kg weight 2 12kg weight 3 15kg weight 4 2kg the sticks
a 100 hp car engine operates ata bout 15 percent efficiency assume the engines water temperature of 85degc is it scold-temperature exhaust reservoir
a commuter train blows its horn as it passes a passenger platform at a constant speed of 400ms the train horn sounds at a frequency of 305 hz when
an airplane traveling at v 187 ms emits a sound of frequency 580 khz at what frequency does a stationary listener hear the sound during each