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A bolt comes loose from the bottom of an elevator that is movingupward at a speed of 5.86m/s. The bolt reaches the bottom of theelevator shaft in 4.35s. How high up was the elevator when the boltcame loose and what is the speed of the bolt when it hits thebottom of the elevator shaft?
Two very small spheres, each with a mass m = 1.5 g, are suspended from a common axis by insulating threads of length L= 6.0 cm, What is the magnitude of the unknown charge q
A skier of mass 112 kg travels down a frictionless ski trail. If the top of the trail is a height 220 m above the bottom, what is the work done by gravity on the skier
A woman rides on a Ferris wheel of radius 16 \rm m that maintains the same speed throughout its motion. What is her mass in kilograms
On a banked race track, the smallest circular path on which cars can move has a radius of 124 m, while the largest has a radius of173 m. The height of the outer wall is 11.8 m. Find(a) the smallest and (b) the largest speed at which cars can move on ..
a small circular hole 9.00mm in diameter is cut in the side of a large water tank 24.0m below the water level in the
A tuning fork vibrating at 514 Hzfalls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork
A wheel 45.0 cm in diameter accelerates uniformly from 206rpm to 340 rpm in 7.0 s. How far will a point on edge of the wheel have travelled in this time.
In the figure below, a “semi-infinite” nonconductingrod (that is, infinite in one direction only) has uniform linearcharge density λ = 5.0 μC/m.Find (a) the component of electric fieldparallel to the rod and (b) thecomponent perpendicular to the rod ..
Motor oil with a viscosity of 0.250 Ns/m^s is flowing through a tube that has a radius of 3.00 mm and is 1.00 m long. What is the average speed of the oil
If the gauge pressure of the blood at your heart is 13.25 kPa and your body doesn't compensate, what would the pressure be at your head, 57.4 cm above your heart
A 75 kg solid sphere with a 19 cm radius is suspended by a vertical wire attached to the ceiling of a room. A torque of 0.35 N m is required to twist the sphere through an angle of 0.75 rad. What is the period of oscillation when the sphere is releas..
The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.800, and the log has an acceleration of 0.800 m/s2. Find out the tension in the rope.
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