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a 293 kg stone is tied to a thin light wire wrapped around the outer edge of the uniform 983 kg cylindrical pulley
each of two small non-conducting spheres is charged positively the combined charge being 40 microc when the two spheres
a circus performer stretches a tightrope between two towers he strikes one end of the rope and sends a wave along it
a cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 920 cm if the
two identical cars m 1350 kg are traveling at the same speed of 280 ms they are moving in the directions shown in the
water at 2 kgs is the working fluid in the power cycle shown below saturated liquid at 10 kpa enters the pump and other
a person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 306 db
a segment of wire carries a current of 20 a along the x-axis from y20 m to y0 and then along the x axis from x0 to x-40
an airplane is flying at 1651mih its speed in still air in a direction such that with a wind of 644mih blowing from
a 368-kg fish swimming 133 ms swallows an absent-minded 642-kg fish swimming toward it at a velocity that brings both
on a frictionless horizontal surface below a 15 kg mass traveling at 25 ms collides with and sticks to a 3 kg mass that
at time t0s a wheel has an angular displacement of zero radians and an angular velocity of 28 rads the wheel has a
a mass of 20 kg is attached to a light string which is wrapped around a cylindrical spool of radius 10 cm and moment of
a convex mirror has a focal length of -340 cm a 150-cm-tall object is located 340 cm in front of this mirror determine
hearing damage may occur when a person is exposed to a sound intensity level of 900 db relative to the threshold of
a spring is hung from the ceiling a 0509 -kg block is then attached to the free end of the spring when released from
one piece of 50 g ice at 0c is added to m grams of water at 25c the system is insulated from outside and the exchange
at the bottom it strikes a block of mass m2m which is at rest on the horizontal surface assume that the transition at
consider two wind instruments with pipes of the same length but one is open and the other is closed on one end if the
a transverse wave is propagation on water surface and is described by the equation y001sin10x 30 t where x and y are
a man pushes a wooden crate on wooden floor the direction of the force is 30o from the horizontala how much force does
a 320 hp car engine can deliver that maximum power at 7000 rpm what is the engines torque at that speed show your
a 1500-kg car starts from rest to reach 600 milesh in 750 sa how much work is done by the engine during the
a 500 kg object slides down a 30o angle slope from rest at a height of 120 m the coefficient of kinetic friction
an inclined plane has a height of 0383 and is 120 cm long a car with a mass of 573 grams travels down the plane in 042