Compute the speed of efflux
A circular hole of 1.10 cm in diameter is cut in the side of a big water tank, 25.0 m beneath the water level in the tank. The top is open to the air. Compute (i) the speed of efflux; (ii) the volume flow rate.
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When Planck’s constant was 6.63 J•s (rather than 6.63 x 10-34J•s) determine what would be the wavelength of a football (having mass = 400 grams) kicked at 25 m/s? Determine what would be the minimum uncertainty in its position as c
The magnification of the object is around -3.0. Is the image on the similar side of the mirror as the object? Is the image virtual or real? Is the image upright or inverted? Is the mirror concave or convex? Describe your reasoning.
A tall object of around 4.5 cm is positioned 26 cm in front of the spherical mirror. You want to generate a virtual image which is upright and 3.5 cm tall. (i) What kind of mirror (concave or convex) must be employed?
A bus travels between two cities, but visits six intermediate cities upon the route. The means as well as standard deviations of the travel times are as follows:
Determine the magnitude of the water velocity at this point when the volume flow rate is 0.600 m^3/s ? (ii) At a second point in the pipe the water velocity consists of a magnitude of around 15.0 m/s. Determine the radius of the pipe at this point
In how many different ways can we pair up all members of club? Write 3 different ways of counting this, describing each method.
Determine the efficiency of a machine which is driven by a falling wt of 25,000N for 10m when you get 125,000J out of the machine.
Consider the following five bundles of pens containing the quantities shown below.
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How do you usually help parents shift their perspective when they expect more academic style activities at this age?
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