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Determine the specific gravity of the wooden cylinder from the following data: (The metal cylinder of question 1 was used as the sinker.) Mass of wooden cylinder in air = 6.9 gm Apparent mass of the metal cylinder and wooden cylinder in water = 45.8 gm
The coil of wire in a galvanometer has a resistance of RC = 64.0 . The galvanometer exhibits a full-scale deflection when the current through it is 0.290 mA. What is the resistance of this resistor
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.30 106 m/s. Find the centripetal acceleration of the electron
A pot containing 1.06 liter of water, initially at 22°C, is placed on a 1091 W electric heating element. How much heat is necessary to boil all the water away
A 2.16kg object attached to a spring moves without friction and is driven by an external force given by the expression F(t) = F0 sin(2Ï€t), find the period of the driven system when at resonance
A thin layer of oil (n=1.25) is floating on water (n=1.33). What is the minimum non zero thickness of the oil in the region
Make a drawing of this situation, and choose the best axes for x and y so that you have the least number of components.)
A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes 3.50s for the boat to travel from its highest point to its lowest, a total distance of 0.640m .
A sledge loaded with bricks has a total mass of 17.0 kg and is pulled at constant speed by a rope inclined at 19.9° above the horizontal. How much work is done by the rope on the sledge
In exercising, a weight lifter loses 0.143 kg of water through evaporation, the heat required to evaporate the water coming from the weight lifter's body. Determine the minimum number of nutritional Calories of food
When the galvanometer in a wheatstone bridge circuit shows no deflection, explain why are the voltages across opposite branches on each side of the galvanometer necessarily equal?
A 2.8 m long pendulum is released from rest when the support string is at an angle of 28° with the vertical. What is the speed of the bob at the bottom of the swing
A disk of radius 217 cm rotates about its axis. Points on the disk\'s rim undergo tangential acceleration of magnitude 2.31 m/s2. what is the tangential speed, v, of a point on the rim
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