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a fighter jet is launched from an aircraft carrier with the aid of its own engines and a stream-powered catapult the
a circular loop of wire with 10 turns radius 125 cm and resistance 15 ohms is connected to a 12 v power supply the
how much work must be done to move a 38 kg chair 61 m acrossthe floor at constant velocity if the coefficient of
a freezer is used to freeze 30 lof water completely into ice the water and the freezer remain at aconstant temperature
a turntable that turns 10 revolutions each second is locatedon top of a mountain mounted on the turntable is a laser
the spectral lines of various elements are detected from agalaxy in constellation ursa major an ultra violet line
a 12 mhz ultrasonic beam is used to scan body tissue if the speed of sound in a certain tissue is 1540 ms and the
a 7 kg bowling ball strikes a 2 kg pin the pin flies forwardwith a velocity of 6 ms the ball continues forward at 4 ms
a large hot pizza 84 cm indiameter and 20 cm thick with a temperature of 92degc floats in outer space assume
water is flowing through a channel that is 12m wide with a speedof 075ms the water then flows into four identical
large meteorites are hardly slowed by earths atmosphere assuming the atmosphere is 100 km thick ans that a large
a barge is in a rectangular lock on a freshwater river the lock is 600 m long and 200 m wide and the steel doors oneach
a beam of natural light is incident on an air-glass interfacenti15 at 40 degrees compute the degree ofpolarization of
two parallel wires have a current of 22a flowing through each oneof them when the wires are placed 25cm apart the exert
an induced emf of 12v is produced when a 350 loop coil ofradius 42cm is placed perpendicular to a magnetic field and
at one end of a ripple tank 90 cm across a 6 hz vibratorproduces waves whose wavelength is 50 mm find the time the
an undersearesearch chamber is spherical with an external diameter of 600 mthe mass of the chamber when occupied is
an archeologist on a dig finds a fragment of an ancient basketwoven from grass later it is determined that the
a light bulb is rated at 60 w when connected to 120va what current flows through the bulb in this caseb what is the
a certain electric motor draws a current of 10 a whenconnected to 120va what is the motors power consumptionb how much
a sonic depth gauge is placed 5m above the ground anultrasound pulse sent downward reflects off snow depth depends
a 6090 kg space probe moving nose first toward jupiter at 105ms relative to the sun fires its rocket engine ejecting
a full can of soda has a mass of 0412 kg it contains 332 10-4 m3 of liquid assumingthat the soda has the same density
legolas shoots an arrow of mass 20 g horizontally into a baleof hay striking the hay with a velocityof 60 ms it
radio waves of very long wavelength can penetrate farther intoseawater than those of shorter wavelength the us