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A pressurized cylindrical tank, 5.0 in diameter, contains water which emerges from the pipe at point C, with a velocity of 12 . Point A is 10 above point B and point C is 3 above point B. The area of the pipe at point B is 9×10?2 and the pipe narrows to an area of 2×10?2 at point C. Assume the water is an ideal fluid in laminar flow. The density of water is 1000 . In the figure, the rate at which the water level is falling in the tank, in , is closest to: 8.4 \rm mm/s 12 \rm mm/s 14 \rm mm/s 6.5 \rm mm/s 10 \rm mm/s
Blanche, a 100 kg shot-putter, is putting the 4 kg shot in a track meet. Just before she releases the shot, Blanche is in the air. What is Blanche's horizontal acceleration at this instant
A car moves along the x-axis in the positive direction. Find the sign (+,-) of the velocity and acceleration of the car for each situation: 1. The car moves AWAY from the origin and gets FASTER 2.
A rifle bullet is fired horizontally off the top of an ocean-based drill site. If the air resistance is negligible and the vertical distance to the water is 35 m, what additional information is needed to determine the time required for the bullet ..
By landing properly and on soft ground (and by being lucky!), How fast would a person be falling when he reached the ground if there were no air drag
A 95.0 N weight is held in the hand. The upper arm makes an angle of 29.0° with the vertical, and the lower arm is 12.0°above the horizontal
Venus has a mass of 4.0869*10^24 kg and a radius of 6,052 km. Calculate the acceleration due to gravity on Venus
A spring with an unstrained length of 0.069 m and a spring constant of 2.7 N/m hangs vertically downward from the ceiling. A uniform electric field directed vertically upward fills the region containing the spring.
A 0.180 kg baseball, travelling 32.0 m/s, strikes catcher's mitt that recoils 13.0 cm in bringing the ball to rest. What was an average force (in newtons) applied by the ball to the mitt.
A sled weighs 100N. It is held in place on a frictionless 20 degrees slope by a rope attached to a stake at the top, the rope is parallel to the slope. What is the normal force of slope acting on the sled.
Astronaut Buzz throws a ball horizontally on the planet SeeSUN with a speed of 5.25m/s. the ball falls through a vertical distance of 1.92m and lands a horizontal distance of 16.4m from the astronaut. what is the acceleration due to gravity on SeeSun..
Transverse waves travel at 20.8 m/s on a string that is under a tension of 7.00 N. What tension is required for a wave speed of 30.8 m/s in the string
Suppose a 0.250-kg ball is thrown at 15.0m/s to a motionless person standing on the ice with outstretched arms. Calculate his final linear velocity
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