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A 1.51 Volt battery has internal resistance 1.15ohm. The battery powers a light bulb whose filament (when lit) has resistance 9.10 ohm.
Part A Estimate the current through the light bulb.
Part B Determine the potential difference across the battery terminals with the bulb connected.
Air at 1 atm, 36C, 20% relative humidity enters an evaporative cooler at 4 m^3/min. find the outlet humidity ratio
The tires on a new compact car have a diameter of 2.0 feet and are warranted for 64,000 miles. Find the angle through which one of these tires will rotate during the warranty period
Two crewmen pull a boat through a lock. One crewman pulls with a force of F1 = 130 N at an angle of = 37° relative to the forward direction of the raft.
A golfer hits a shot to a green that is elevated 3.0 m above the point where the ball is struck. find the speed of the ball just before it lands
Three forces are applied to a solid cylinder of mass 12 kg (see the drawing). The magnitudes of the forces are F1 = 15 N, F2 = 24 N, and F3 = 16 N. Find the magnitude of the angular acceleration of the cylinder
a 40 x 10^3 kg train is travelling at 8.3m/s when the engineer sees a sheep on the tracks. she throws the emergenxy brakes on. How long is it before the rain will come to a complete stop
A horizontal circular platform rotates counterclockwise about its axis at the rate of 0.979 rad/s. Calculate the total angular momentum of the system
A 0.10kg block oscillates back and forth along a straight line on a frictionless horizontal surface. Its displacement from the origin is given by: x = (10cm)cos[(10 rad/s)t + pi/2 rad)]. what is the maximum speed acquired by the block
A charge of +3.3 micro-Coulombs is placed in a capacitor without a dielectric. It starts from rest and accelerates toward the negative plate. After it has traveled 309.2 cm, it is moving at 7.2 x 103 m/s.
A puck of mass m = 1.90 kg slides in a circle of radius r = 23.0 cm on a frictionless table while attached to a hanging cylinder of mass M = 3.80 kg by a cord through a hole in the table
A telescope has an objective with a refractive power of 1.00 diopters and an eyepiece with a refractive power of 300 diopters
a rock is thrown straight up with intial velocity of 15.5m/s. what maximum height will the rock reach before starting to fall downward
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