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A 75-Kg athlete does a single-hand handstand. If the area of the hand in contact with the floor is 125 cm2, what pressure is exerted on the floor?
Air at 22C and at pressure of 120 kPa is flowing over a flat plate with a velocity of 4.5 m/s. If the plate is 50 cm wide and the surface in contact.
The area of each ski in contact with the snow is 0.13 m2. Determine the pressure that each ski exerts on the snow.
A solid copper ball with a diameter of 3.0000m at sea level is placed on the bottom of the ocean, at a depth of 10.0km.
Take the density of the crown to be p_c. What is the ratio of the crown's apparent weight (in water), W_apparent, to its actual weight, W_actual?
Ketchup is more interesting than you might think. It needs to be treated so that it 'pours' in just the right way - not too runny and not too solid.
Working from first principles show that the condition for irrotationality of a two-dimensional ideal fluid flow is given by:
Water is flowing through a circular pipe with an internal diameter of 1 meter, at a rate of 0.5 m3/s. What is the water's flow velocity?
Assume that the lift needed to maintain level flight is 20,000 N. On the "Flight test" page, adjust the speed (km/h) until lift is just over 20,000N.
A popular brand of pressure washer claims to deliver 330 litres per hour of water at a pressure of 80 bar, drawing 1,400 W of electrical power in the process.
A meter long hose of 14cm diameter is connected to a second hose which is 4 meters long and 7cm in diameter.
A long lance 38mm ID mounted vertically into a pool the last 300mm of the lance is bent 45 deg, so the end of the lance is 305mm above the pool floor.
Weather Aerodynamics, Inc., makes electronically equipped weather detecting balloons for university meteorology departments.
Is it possible to solve this with the perfect gas law (PV = nRT)? Also, please brief description of the difference between the Ideal Gas Law.
Wave A has a wavelength of 1.5 m. Wave B has a wavelength of 4.5 m. The speed of wave B must be________ the speed of wave A.
A string of length L is fixed at both ends. The speed of waves on the string is c. The string is initially displaced a distance h uniformly along its length.
The number of states is expressed as a function of various parameters for three systems below.
Water waves in a lake travel 4.73 m in 1.01 s. The period of oscillation is1s. What is the speed of the water waves? What is their wavelength.
What is the Electric Field anywhere in the (x,y) plane, at position (x,y)? Be sure your answer clearly denotes the vector nature of the electric field.
Two identical metal balls bear the same amount and sign of electric charge because they have been touched together.
The force exerted by one charge on the other has a magnitude of 8.30E-3 Newtons. Find the amount of each charge.
That is, is it always the absolute value of the magnitude of the electric field? Or can it have a negative value?
An electric ceiling fan is rotating about a fixed axis with an initial angular velocity of 0.200 rev/s . The angular acceleration is 0.911 rev/s^2 .
Two point charges, one positive and the other, a negative charge, are separated by a small distance. (a) Determine the ratio q1/q2 ?
The potential at location A is 626 V. A positively charged particle is released there from rest and arrives at location B with a speed vB.