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1) A solid disk of radius 1.60 m and mass 2.30 kg rolls without slipping to the bottom of an inclined plane. If the angular velocity of the disk is 4.27 rad/s at the bottom, what is the height of the inclined plane?
2) A particular motor can provide a maximum of 120.0 N · m of torque. Assuming that all of this torque is used to accelerate a solid, uniform flywheel of mass 9.00 kg and radius 3.50 m, how long will it take for the flywheel to accelerate from rest to 6.00 rad/s?
The pressure in a water pipe in the basement of an apartment house is 4.10x10^5 Pa, determine the height between the basement and the seventh floor
A 76 kg sprinter starts a race with an acceleration of 5.8 m/s2, What is the magnitude of the net external force on him in N
Two Skaters collide and hold on to each other on a frictionless floor. find direction of the velocity of these skaters after the collision
You are given an ideal air-filled parallel plate capacitor with plates of area 45.0 cm2 and separation 2.10 mm. What is the new value of the capacitance
Suppose a 65 kg person stands at the edge of a 6.5 m diameter merry-go-round turntable that is mounted on frictionless bearings and has a moment of inertia of 1850 kg m2. Calculate the angular velocity of the turntable
A point charge q1 = -8.9 μC is located at the center of the thick conducting shell of inner radius a = 2.2 cm and outer radius b = 4.5 cm, the conducting shell has a net charge of q2 = 1.1 μC.
A pilot claims to have seen a UFO moving initially at a speed of about 374 m/s in an easterly direction and then, Compute the UFO's average acceleration during the turn
Pulsed lasers used in science and medicine produce very short bursts of electromagnetic energy. If the laser light wavelength is 1062 nm, How many wavelengths are found within the laser pulse
A dog searching for a bone walks 3.00 m south, then 8.20 m at an angle 30.0° north of east, and finally 14.0 m west. Find out the dog's resultant displacement vector using graphical techniques.
An airplane is flying in a horizontal circle at a speed of 133.3 m/s. Banked for this turn, What is the radius of the circle in which the plane is flying
A copper wire has radius r = 0.424 cm, is 6.00 m long, has resistivity ? = 1.72·10-8 ? m, What is the electric field, E, in the wire
In alpha decay, an alpha particle (a helium nucleus consisting of two protons and two neutrons) escapes from a heavy nucleus, find the initial electric potential energy of the alpha particle
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