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A uniform, hollow sphere starts from rest and rolls down a 50.0 m high hill, as shown below. The top half of the hill is rough enough to cause the sphere to roll without slipping, but the lower half is covered with ice and there is no friction. Rotational inertia about its center of mass of a hollow sphere is Ihollow sphere = (2/3)MR2
What is the translational speed of the sphere when it reaches the bottom of the hill?
After reaching the bottom of the hill, the ball travels along the horizontal frictionless icy surface and enters a frictionless vertical loop. What is the radius of the loop if the ball just makes it around? Take the radius of the hollow sphere to be 1.00 m.
A 12.0 micro F capacitor is connected to a power supply that keeps a constant potential difference of 22.0V across the plates. By how much did the energy change during the insertion
A 45.0 kilogram lady is standing on a 160 kilogram plank. Estimate her velocity relative to the surface of ice
A 50 g Super Ball travelling at 28 m/s bounces off a brick wall and rebounds at 18 m/s. A high-speed camera records this event. If the ball is in contact with wall for 5 ms, what is the magnitude of the average acceleration of the ball throughout ..
In Figure below, an electron accelerated from rest through potential difference V1=1.31 kV enters the gapbetween two parallel plates having separation d = 21.0 mmand potential difference V2= 111 V. The lowerplate is at the lower potential.
The electron gun in a traditional television tube fires electronsof kinetic energy 25 keV at the screen in a circular beam 0.22 mmin diameter; 5.6 multiplied by 1014 electrons arrive eachsecond. Calculate the magnitude of the magnetic field produc..
a mass m1 4.3 kg rests on a frictionless table and connected by a massless string to another mass m2 4.7 kg. a force
Apply the matrix method to a cantilever be am of length and mass m at the end, and show that the natural frequency equation is directly obtained.
A transformer for an answering machine takes an acvoltage of amplitude 150 V as its inputand supplies a 7.9 V amplitude to the answering machine. The primary has 400turns.
A 1.0-cm diameter pipe widens to 2.0 cm and then narrows to 5.0 mm. Liquid flows through the first segment at a speed of 4.0 m/s. What is the volume flow rate through the pipe
A cord is used to vertically lower an initially stationary block of mass M = 14 kg at a constant downward acceleration of g/7. find the work done by the cord's force on the block
A 90 kg man lying on a surface of negligible friction shoves a67 g stone away from himself, giving it a speed of 4.0 m/s . Whats peed does the man acquire as a result
height of the helicopter above ground given by h2.90t3. at t1.90s the helicopter releases a bag. how long does it take
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