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two skiers one of mass m and the other 2m start at the top of a mountain the more daring skier 2m takes the double
two shuffleboard disks of equal mass one orange and the other yellow are involved in an elastic glancing collision the
two identical waves each having an amplitude 002 m has a phase difference of 8 when they meet at a point what is the
a meter rule is balanced at the 70 cm mark by placing a 200-g mass at the 80 cm mark at what point will the ruler
a 4 kg uniform cylinder is released at the top of a 154 m 24deg incline what is its velocity when it reaches the bottom
a find the rms speed of a helium molecule at 313 kb find the rms speed of an iron atom of mass 559 u at 313 kc find the
two different simple harmonic oscillators have the same natural frequency f260 hz when they are on the surface of the
a certain concrete will support a maximum compressive stress of 112 107 nm2 before being crushed a column of uniform
a visitor to a lighthouse wishes to determine the height of the tower she ties a spool of thread to a small rock to
an archer pulls her bow string back 0380 m by exerting a force that increases uniformly from zero to 219 n what is the
two steel wires are stretched with the same tension the first wire has a diameter of 0610mm and the second wire has a
in this section assume the sound speed in air is 343 a goose flying toward you at 124 emits a squawk which you hear at
in the figure below a crowbar is used to lift a weight if a down ward force of 228 n is applied to the end of the bar
a bullet with a mas of 10 g and an initial velocity of 800ms penetrates 5 cm into a fixed block of wood before stopping
a 383 long organ pipe is open on both ends find its fundamental frequency find its first three overtone
determine the specific gravity of the wooden cylinder from the following data the metal cylinder of question 1 was used
in this section assume the temperature is 20unless directed otherwise a submarine 47 deep emits a sonar sound wave the
a plastic bag is filled with hydrogen at atmospheric pressure and 180 oc assume that the mass of the bag is negligible
a spring k600nm is placed in a vertical position with its lower end supported by a horizontal surface the upper end is
medical ultrasound ultrasound with 58is used in a medical imager find the wavelength in air with sound speed 343 find
an lrc series circuit with r150 ohlms l25 mh and c2 uf is powered by an ac voltage source of peak voltage vo340v and
a man shoots at a leopard approaching him with a velocity of 10ms he shoots bullets to stop the attack from the leopard
a pot containing 104 liter of water initially at 18degc is placed on a 1091 w electric heating element a how much heat
a 370 kg child runs with a speed of 250 ms tangential to the rim of a stationary merry-go-roundfigure 1 the