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A container of cross-sectional area 102 cm2 contains liquid of density 1.95 g/cm3 to a height of 6.60 cm above a small hole of area 1.00 cm2 in the side.
(a) Find the speed of the fluid as it leaves the hole.
(b) Find the flow rate through the hole.
At rest, a car's horn sounds the note A (440 Hz). The horn is sounded while the car is moving down the street, What is the speed of the car
a dab of mud mass 0.1 kg and sitting 0.25 m from the center flies off a horizontal spinning wheel when the wheel takes
Two spherical objects have a combined mass of 200. The gravitational attraction between them is 8.01×10-6 while their centers are 21.0 apart.
A ball of mass m makes a head-on elastic collision with a second ball (at rest), What is the mass of the second ball
A major-league pitcher can throw a ball in excess of 41.5 m/s. If a ball is thrown horizontally at this speed, how much will it drop by the time it reaches a catcher who is 17.0 m away from the point of release
What is the magnitude of F if box is speeding of with a constant acceleration of 0.18 m/s2.
The impact with the racket gives the ball a constant acceleration over a distance of 47 cm. Illustrate what is the magnitude of the net force acting on the ball?
A sound wave with intensity 20 mW/m2 interferes destructively with a sound wave that has an intensity of 4 mW/m2. What is the intensity of the superposition of the two
In a local bar, a customer slides an empty beer mug down the counter for a refill. The height of the counter is 1.20 m. The mug slides off the counter and strikes the floor 0.60 m from the base of the counter.
The left face of a biconvex lens has a radius of curvature of magnitude10.4cm, and the right face has a radius of curvature of magnitude20.0cm. The index of refraction of the glass is1.47. Calculate the focal length of the lens for light incident f..
a hiker determines the length of a lake by listening for the echo of her shout reflected by a cliff at the far end of the lake. estimate the length of the lake
A gallon of gasoline contains about 1.3x10^8 joules of energy. A 2000-kg car traveling 20 m/s skids to a stop. Estimate how much gasoline it will take to bring the car back to the original speed
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