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Moment of Inertia
Instruction: Analyze and solve the given probleme.
1. A uniform, thin, solid door has height 2.00 m, width 0.825 m, and mass 23.5 kg. . a) Find its moment of Inertia for rotation on Its hinges. b) Is any piece of data unnecessary on the given problem?
2.A system consists ( thin-hollowed sphere) of three email masses rotating at the same speed about the same fixed axis The masses and their radii of ratation are: 16 g at 256
mm, 23 g at 192 mm and 31 g at 176 mm. Determine (a) the moment of inertia of the system about the given axis.
Drive Bernoulli's equation and list all the assumptions made in driving the equation.
For a person at rest, the blood pressure in the aorta is 120 torr, and the velocity of the blood is 25cm/s. The person then goes for the brisk walk raising the blood velocity to 100cm/s. Using Bernoulli's equation and assuming that the height of the blood is constant calculate the blood pressure in the aorta during the brisk walk. Hint: convert everything to standard units.
In an adult, the aorta's radius is normally ~1.5cm, and blood moves through it at an average speed of 30m/s. If a typical capillary has a radius of 5×10-6m and blood passes through them with velocity of 0.1cm/s approximately how many capillaries are in the blood?
estimate the hall voltages generated in each case across a 5mm width of sample of thickness 1mm when a current 100mA is passed along it and the perpendicular field is given as 100mT
estimate the hall voltages generated in each case across a 5mm width of sample of thickness 1mm when a current 100mA is passed along it and the perpendicular field is given as 100mT
A square plate of side 12cm is made of metal of linear expansivity 2*10-5 k as the plate is heated from 30degree c to 100degree c , the area of one of the face of the plate will increase to ?
The angle of elevation of a hot air balloon changes from 30
to 45 degrees in 2 mins. If the point of observation is 200m away from the take
off point. Determine the uniform rate of change of the angle of elevation in
rad/sec.
1. A plane flying at 90° at 1.00×10^2m/s is blown toward 180° at 5.0×10^2m/s by a strong wind find the plane resultant velocity graphically.
2. A racing car reaches a speed of 42m/s. It then begins a uniform negative acceleration, using its parachute and breaking system, and comes to rest 5.5sec later. Find how far the car moves while stopping.
3.A stone is dropped from a building that is 5cm height.calculate the time it takes to reach the ground and the speed of the stone.
1. A boy noticed that the wind was blowing 30m/s 30degree with vertical.he ran with a speed of 40m/s 0 degree. Calculate the magnitude using the cosine law.
2.calculate the magnitude and direction if the vector A is 5N, 0 degree C is 7N, 110 degree,D is 2N, 22 degree E is 6N, 55degree with the horizontal. Calculate the magnitude and direction of a vector.
