Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
a hollow spherical shell with mass 200 kg rolls without slipping down a 380 degree slopeif the mass were doubled to 400
an olympic long jumper leaves the ground at an angle of 23 degrees and travels through the air a horizontal distance of
an artificial lens is implanted in a persons eye to replace a diseased lens the distance between the artificial lens
two different simple harmonic oscillators have the same natural frequency f950 hz when they are on the surface of the
a 859 kg geosynchronous satellite orbits a planet similar to earth at a radius 194 times 105 km from the planets center
a visitor to a lighthouse wishes to determine the height of the tower she ties a spool of thread to a small rock to
a mass-spring system oscillates with an amplitude of 340 cm if the spring constant is 248 nm and the mass is 421 g
a 0350 kg air-track glider is attached to each end of the track by two coil springs it takes a horizontal force of 0500
water at a pressure of38atm at street level flows into an office building at a speed of070ms through a pipe44cm in
the construction of a flat rectangular roof 47m x53m allows it to withstand a maximum net outward force of20007n the
an airplane has an effective wing surface area of17m2that is generating the lift force in level flight the air speed
a 250-kg box is released from rest on a rough inclined plane tilted at an angle of 335e to the horizontal the
a 68-kg base runner begins his slide into second base when he is moving at a speed of 42 ms the coefficient of friction
a sledge loaded with bricks has a total mass of 170 kg and is pulled at constant speed by a rope inclined at 199deg
starting from rest a 450-kg block slides 300 m down a rough 300deg incline the coefficient of kinetic friction between
1 a styrofoam cooler k 030 wmo c has an average surface area of 0576 m2 and an average thickness of 26 cm there are
a rocket-powered hockey puck has a thrust of 20 n and a total mass of 10 kg it is released from rest on a frictionless
a battery supplies 071 a to three resistors connected in parallel the current through the first resistor is 027 a and
a dinoflagellate takes 49 s to travel 05 mm approximate a dinoflagellate as a sphere of radius 350 microm ignoring the
a water tower supplies water through the plumbing in a house a 254-cm-diameter faucet in the house can fill a
a nozzle of inner radius 105 mm is connected to a hose of inner radius 795 mm the nozzle shoots out water moving at 255
a light rope is wrapped several times around a large wheel with a radius of 4 m the wheel rotates in frictionless
identical blocks are projected up each track with the same initial speed v0 on the longer track the block slides upward
the intensity of a lightbulb with a resistance of 160 ohms is controlled by connecting it in series with an inductor
a semi-trailer is coasting downhill along a mountain highway when its brakes fail the driver pulls onto a runaway truck