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If you lift the front wheel of a poorly maintained bicycle off the ground and then start it spinning at 0.72 , friction in the bearings causes the wheel to stop in just 12.
If the moment of inertia of the wheel about its axle is 0.30 , what is the magnitude of the frictional torque?
What is the minimum coefficient of static friction between the road and the tires on a car for the car to go around a flat curve at 45.0 mph
Force F = (1.0 N) + (-1.0 N) acts on a pebble with position vector r = (2.70 m) + (-2.1 m) , relative to the origin. What is the resulting torque acting on the pebble about the origin
A grade school student plans to build a 34-power telescope as a science fair project. What focal length is needed for her objective lens
A star of radius 7.8 × 105 km rotates about its axis with a period of 66 days. Estimate the period of the neutron star
A concave makeup mirror is designed so the virtual image it produces is three times the size of the object, What is the radius of curvature of the mirror
A sound wave is travelling trough a fresh water pool with a speed of 1482 m/s. what is the pressure amplitude of the wave
When a battery is connected to the plates of a 5.00-µF capacitor, it stores a charge of 30.0 µC. What is the voltage of the battery
A construct force vector F = 2.0i + 4.0j N acts on an object as it means along a straight- line path. If the object is displacement is d = 2.0i + 5.0j m calculate the work done by vector F
A wall in a house contains a single window. The window consists of a single pane of glass whose area is 0.19 m2 and whose thickness is 9 mm. what is the percentage lost by the window
A parallel-plate capacitor has a capacitance of c1 = 5.5 ?F when filled with air and c2 = 33 ?F when filled with a dielectric oil at potential difference of 12 V, Input an expression for the permittivity of the oil
a ball is tossed into the air at a speed of 64.0 m/s at an unknown angle. If the ball is observed to rise to a maximum height of 7.80 m, elucidate at what angle was the ball thrown relative to the ground?
A plane is flying southeast at 200 km/h. suddenly, What is the plane's new velocity with respect to the ground in standard postion
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