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a piece of glass has a temperature of 710 degc liquid that has a temperature of 420 degc is poured over the glass
a spherical brass shell has an interior volume of 143 x 10-3nbspm3 within this interior volume is a solid steel ball
one january morning in 1943 a warm chinook wind rapidly raised the temperature in spearfish south dakota from below
the first-order principal maximum produced by a grating is located at an angle of theta 156 degrees what is the angle
a farsighted man uses eyeglasses with a refractive power of 322 diopters wearing the glasses 0026 m from his eyes he is
a bullet is fired horizontally with an initial speed of 200 ms at a height of 1m above the ground how long will it take
a radio can be tuned into a particular station frequency by adjusting the capacitance in annbspl-cnbspcircuit suppose
1 a 200 mh inductor and a 200 omega resistor are connected insures with a 30-v dc power supply what is the time
the number of people this planet can support is largely determined by the amount of ammonia-based fertilizer that can
a 2200 kg car is moving at a speedof 300 ms determine the stopping distance in meters if the brakes supply a force of
a water wave oscillates up and down once every 150 seconds the distance between wave crests is 380 m the speed of this
the specific heat of a particular metal alloy is 020 calories per gram per degree celsius calculate the amount of heat
a rock mass of 600 kg is dropped from a stationary hot air balloon its potential energy at the top is 18000 j when its
1 irina of mass 8500 kg float in fresh water what her approximate volume in m3 human density is about 1000 kgm32 a 10
an aircraft with a weight of 9253 n accelerates from 0 to 90 ms in 98 seconds at which time the aircraft launches what
in a series rl circuit where r 100 ohms and xl 50 ohms which of the following combinations is equivalent to the given
case study singapore international airlines strategy with a smile ramaswamy 2001case study reviewaccess and read the
a stone is thrown vertically upward with a speed of 230 mshow fast is it moving when it reaches a height of 108 m how
a 25-turn circular coil of wire has diameter 100m it is placed with its axis along the direction of the earths magnetic
a pair of narrow parallel slits separated by 0147 mm are illuminated by green light of wavelength 549 nm an
the impedance of a series resistorinductor circuit is defined as 56 ohms j75 ohms what is the resistance
a ray of light is incident on a flat surface of a block ofnbspfluoritenbspthat is surrounded by water the angle of
three solid cubes all made from the same uniform material are fused together to form a single symmetric tower as seen
1 a 009-kg lead bullet traveling 227 ms strikes an armor plate and comes to a stop if all of the bullets energy is
kin selection explains why organisms may provide benefits to relatives is there a conflict between the principle of kin