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A scuba diver wears a heavy belt to make her average density exactly equal to the density of water. Her mass, including the belt and all her gear, is 75 kg.
a) What is the weight of the scuba diver and all her gear, in Newtons?
b) What is the scuba diver's volume, in m3?
c) At a depth of 5 m below the surface of a lake, what buoyant force acts on the scuba diver? What net force acts on her?
If material increases its length by 4.2% when its temperature is raised 40 degrees C, then what is its coefficient of linear expansion
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What would be the percentage change in volume of a cube of aluminum that measured 1.50 on a side when at the ocean surface. how much did the aluminum cube's volume change.
Three resistors, R1 = 30? , R2 = 71? , and R3=R, are connected in parallel with a 12Vbattery, Find the value of resistance R and currenrt through each resistor
An air-core solenoid is attached to a 6 V battery via a switch. The switch is closed, what is the resistance and inductance of the coil
Consider a container with a partition in the middle. The container is thermally isolated from the environment. Initially one half of the container is filled with gas A (N molecules) and the other half with gas B (also N molecules).
q1. a roller-coaster car speeds down a hill past point a where r1 10.0 m and then rolls up a hill past point b where
A car of mass M = 800kg travelling at 50km/hour enters a banked turn covered with ice. The road is banked at an angle 20degrees, and there is no friction between the road and the car's tires.
1 search the internet for real applications of statistics in the workplace. as a hint type the word statistics
A 6.5- kg block oscillates with an amplitude of 0.100 m on a light spring of constant k = 16.0 N/m. What is the maximum value of the block's velocity
Light is reflected from a transparent coffee table. When the angle of incidence is 52.2°, find the index of refraction of the material of the table
A ladder of mass 30 kg and length 5m leans against a frictionless wall. The angle between the ladder and the wall is 37 degree. what is the force between the ladder and the wall
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