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An 91-g arrow is fired from a bow whose string exerts an average force of 100N on the arrow over a distance of 82cm.
Part A What is the speed of the arrow as it leaves the bow?
We have some air in a cylinder like that in the figure. Assume that air is an ideal diatomic gas. The diameter of the cylinder is 5.4 cm. Find the amount of hear that was put into air
An air-filled spherical capacitor is constructed with inner and outer shell radii of 7.00cm and 14.0cm, respectively. Calculate the capacitance of the device
You have a 10.9 m straight wire carrying a 9.89 A current. What is the magnitude of the force on the wire when it is in a 0.83 T magnetic field perpendicular to the wire
An electron is traveling through a region of space in which the electric field is along the +x direction, What is the acceleration of the electron
We can reasonably model a 90-W incandescent lightbulb as a sphere 5.5cm in diameter. find the visible light intensity at the surface of the bulb
A string requires a 186 N force in order to break. A 1.50 kg mass is tied to this string and whirled in a vertical circle with a radius of 1.90 m. What is the highest speed that this mass can be whirled without breaking the string.
What is the ratio of the dynamic viscosity of air to that of water at standard pressure and a temperature of 20?C? Find the ratio of the kinematic viscosity of air to that of water for the same condition?
A person can see clearly up close, but cannot focus on objects beyond 82.0cm . She opts for contact lenses to correct her vision. Is she nearsighted or farsighted
A parallel-plate air-filled capacitor having area 41.0 cm2 and plate spacing 2.70 mm is charged to a potential difference of 360. V. calculate the energy density between the plates
A boy shoves his stuffed toy zebra down a frictionless chute, starting at a height of 1.49 m above the bottom of the chute and with an initial speed of 1.55 m/s. How far from the bottom of the chute does the toy zebra come to rest
Two negative point charges are separated by 11.0cm and feel a mutual repulsive force of 1.85?N . The charge of one is three times that of the other. How much charge does each have? in nanocoulumbs
A bucket of mass 1.70kg is whirled in a vertical circle of radius 1.55m . At the lowest point of its motion the tension in the rope supporting the bucket is 21.0N. Find the speed of the bucket
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