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a dissecting microscope is designed with a larger than normal distance between the object and the objective lens the
1 due to friction with the earths atmosphere a large static electric charge could build up on our plummeting asteroid
1 draw a simplenbspseries circuitnbspconsisting of the following componentsa battery voltage source of 6 voltsb 3
1 two sources a and b emit a sound of a certain wavelength the sound emitted from both sources is detected at a point
a small ball of mass 075kg is attached to one end of a 125-m-long massless rod ssm ilwssm and the other end of the rod
a 26kg block of metal is massed on a spring scale in air when the block is hung on the spring scale but the block is
1a college student produces about 119 kcal of heat per hour on the average what is the rate of energy production in
help with this physics questionyou live on a busy street but as a music lover you want to reduce the traffic noisea if
a car heading north collides with an identical car heading east at an intersection both cars have the same speed if
a student reading his physics book on a lake dock notices that the distance between two incoming waves is about 085m
a single-turn current loop carrying a current of 400a is inthe shape of a right triangle with sides 500 120 and 130cm
alice stands at a bus stop she sees a 40m long truck starting from rest and accelerating with constant acceleration the
an 800nbspgnbspsteel plate has the shape of the isosceles triangle shown in the figurefigure 1nbspnbspthe hieght of the
a glass flask whose volume is 1000 cm3 at a temperature of 0900 c is completely filled with mercury at the same
a man stands on a platform that is rotating without friction with an angular speed of 168 revs his arms are
in the law of conservation of energy why is it important that the system be absent any external work input or output
a block slides down an incline that makes an angle of 30 with the horizontal direction the coefficient of kinetic
a heat engine performs the reversible cycle abca with 90 moles of an ideal gas as shown in the figure path ca is an
what force is needed so that a 100 kg box moving on a frictionless floor on a straight line at the speed of 1 ms keeps
a boy on a bicycle increases his velocity from 5 ms to 20 ms in 10 secondsa what is the acceleration of the bicycleb
a car accelerates uniformly from 0 to 72 kmh in 115 secondsa what is the acceleration of the car in ms2b what is the
with an initial velocity of 20 kmh a car accelerated at 8 ms2for 10 secondsa what is the position of the car at the end
a 40-micro c charge is positioned on the x axis at x 40 cm where should a 60-micro c charge be placed to produce a net
a 280-g metal container insulated on the outside holds 140 g of water in thermal equilibrium at 22degc a 22-g ice cube
one force of 30 n acting east and a second second force of 20 west on an object of a mass m 20 kg what is the