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a facility uses an 23 hp fan to blow-dry products on an conveyor belt in a plant that operates 24 hours a day 365 days
a rock of mass 0480 kg falls from rest from a height of 150 m into a pail containing 0460 kg of water the rock and
rank the objects according to their rotational inertia from largest to smallest the masses of a b and c are 2m 3m and m
a potters wheel a solid uniform disk of mass 60kg and radius 25cm spins about its central axis with an angular speed of
an electric motor can deliver a 8nm torque how much work it does per one
two hikers head out from the same spot hiker 1 hikes due east for 5 miles then at a 30ordm angle north of east for
the mass of earth is 5972 1024nbspkg and the radius of earth is 6371 km a 750 kg satellite orbits 35800 km above earth
provide an example of where you might find angular velocities to be the same while tangential velocities are different
a 2kg block is initially at rest on a frictionless level surface when a 125 n force is applied at an angle of 3687
some plants disperse their seeds when the fruit splits and contracts propelling the seeds through the air the
suppose you have a 82 cm diameter fire horse with 22 diameter nozzle hole to what maximum height in meters above the
a rock has a mass of 45 kg is dropped from a building window the rock strikes the ground with a velocity of 25 ms how
a block mass nbsp23nbspkg is hanging from a massless cord that is wrapped around a pulley moment of inertia
given the weight of a person w 595 their one hand l10846 m and their other hand l2 0397 m doing push ups find the
a bare helium nucleus has two positive charges and a mass of 664 10-27 kga calculate its kinetic energy in joules at
what things could affect a graph of frequency vs amplitude would this depend on mass would it change if the spring
long enough vertical rails distance l from each other made of an ideal conductor are connected by a resistor r a bar of
neglecting air resistance how fast will a soccer ball m 045 kg be travelling when it hits the ground if its dropped
a satellite has these orbital elements -- semi-major axis 10900 km -- eccentricity 005 -- inclination 60 degrees --
the engine of a locomotive exerts a constant force of 70 x 105 n to accelerate a train to 78 kmh determine the time in
a force of 8800 n is exerted on a piston that has an area of 0010 m2 what is the force exerted by a second piston that
the electric field just above the surface of the charged drum of a photocopying machine has a magnitude e of
in a cd player the speed of the surface of the cd at the point where the laser is reading the cd must be a constant 130
by what factor must your blood pressure increase to compensate for a 5 narrowing in your blood vessels the pressure
a bullet of mass m and velocity v hits a block of mass m and gets stuck in it the block is initially at rest on a