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A container of cross-sectional area 107 cm2 contains liquid of density 2.35 g/cm3 to a height of 6.90 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.
A 250, 35-cm-diameter turntable rotates on frictionless bearings at 60. A 25 block sits at the center of the turntable. A compressed spring shoots the block thoroughly outward next to a frictionless groove in the surface of the turntable.
Two bowling balls, each of mass 5kg, are located so that their centers of mass are 0.5m apart. What is the size of the force of universal gravitation
The peak value of an alternating current in a 1480 W device is 4.4 A. What is the rms voltage across it
a heavy but uniform rope of length l is suspended from a ceiling .a particle is dropped from the ceiling at the instant when the bottom end is given the jerk. where will the particle meet the pulse
A slingshot consists of a rubber strap attached to a y-shaped frame, with a small pouch at the center of the strap to hold a rock or other small projectile. FIND the potential energy of the system prior to release
A 68 kg person sits on a 4.0 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.2 cm in diameter . Find the pressure exerted on the floor by each leg of the chair, assume the weight is evenly distributed.
The second-order dark fringe in a single-slit diffraction pattern is 1.40 mm from the center of the central maximum. calculate the wavelength of the incident light
A luge and its rider, with a total mass of 104 kg, emerges from a downhill track onto a horizontal straight track with the initial speed of 53 m/s. suppose they stop with the constant deceleration of 2.30 m/s2.
a uniform rod of mass 2m is completely free to move and is initially at rest. a particle of mass m hits one of its ends
The moment the other student passes you, you start accelerating at 2.67 m/s2, After what distance will you catch up with your classmate
A rocket with mass 1000kg accelerates upwards at a rate of 20m/s (a) How long does it take before it is going at the speed of sound (334 m/s)? (b) How long does it take before the rocket is at a height of 100km?
Throughout a hard sneeze, your eyes may shut for 0.41 s. If you are driving a car at 98 km/h during such a sneeze, how far does the car move during that time.
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