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Water flowing through a garden hose of diameter 2.73 cm fills a 21.0-L bucket in 1.40 min.
(a) What is the speed of the water leaving the end of the hose?
m/s
(b) A nozzle is now attached to the end of the hose. If the nozzle diameter is one-third the diameter of the hose, what is the speed of the water leaving the nozzle?
A block starting atop a frictionless hemispherical dome starts sliding from rest. Write down the two equations of motion of the block in terms of r and ? (i.e. use polar coordinates).
In what direction should the pilot travel in this direct flight. Find out the distance she walks.
A wrecking ball (weight = 5010 N) is supported by a boom, which may be assumed to be uniform and has a weight of 3670 N. As the drawing shows, a support cable runs from the top of the boom to the tractor.
A very light rigid rod with a length of 1.32 m extends straight out from one end of a meter stick. The other end of the rod serves as a pivot and the system is set into oscillation
2 mol of a diatomic ideal gas expand adiabatically and quasi-statically. The initial temp of the gas is 300K, What is the final temp of the gas
determine the largest angle MAX that the crutch can have just before it begins to slip on the floor.
You bring a 350-g wrench into the house from your car. The house is 15 C warmer than the car, and it takes 2.52 kJ of energy to warm the wrench by this amount. Find (a) heat capacity of the wrench and (b) specic heat of the metal it's made from.
A car is traveling at a constant speed of 38.8m/s on a highway. At the instant this car passes an entrance ramp, a second car enters the highway from the ramp. The second car starts from rest and has constant acceleration. What acceleration must it..
A car takes 9 s to go from v = 0 to v = 75 m/s at approximately constant acceleration. If you wish to find the distance travelled using the equation d = 1/2 at2, what value should you use for a.
A particle moves along the x axis unset the influence of a stationary object. The force exerted on the particle is given bu F=8x^3, where f is in newton's and x is in meters. if x=0 is taken to be the zero of potential energy, then the potential e..
A stone has a mass of 4.00 x10-3 kg and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static friction between the stone and each side of the tread channel is 0.76.
find out the magnitude of their acceleration. If the blocks move determine the magnitude of the tension in the string. If the blocks do not move determine the sum of magnitude of the forces of friction acting on the blocks. Show all the work.
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