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A garden hose having with an internal diameter of 2.0 cm is connected to a (stationary) lawnsprinkler that consists merely of an container with 23 holes, each 0.20cm in diameter. If the water in the hose has a speed of0.95 m/s, at what speed does it leavethe sprinkler holes?
m/s
A 3.0-cm object is placed 8.0 cm in front of a mirror. The virtual image is 4.0 cm further from the mirror when the mirror is concave than when it is planar. Determine the focal length of the concave mirror
A bird stands on a dc electric transmission line carrying 2500 A, What is the potential difference between the bird's feet
A puck slides on a surface for 5.6 m before it stops. If it was moving at a velocity of 15 m/s and has a mass of 1.2 kg, what is the force of friction exerted on the puck
You walk 1140 m east and then 860 m south in a total time of 16 min. Compute your average velocity for east and south
A disk with a mass of 37.5kg and a radius of 38.3cm is mounted on a frictionless horizontal axle. A string is wound many times around the disk and then attached to a 56.4kg block. Find the acceleration of the block, assuming that the string does n..
A bedroom bureau with a mass of 40 kg, including drawers and clothing, rests on the horizontal floor. compute the static friction force on the bureau initially
The Golden Gate Bridge in San Francisco has a main span of length 1.28 km, one of the longest in the world. Imagine that a steel wire with this length and a cross-sectional area of 3.40 10-6 m2 is laid in a straight line on the bridge deck with it..
A gaseous planet (like jupiter) suddenly loses part of its mass. what is the ratio of the planets new mass to the old mass
After the first spring compresses a distance of 32.1 cm, the second spring acts with the first to increase the force as additional compression occurs. The car comes to rest 47.0 cm after first contacting the two-spring system. Find the car's initi..
A box of mass 32.0 kg is sitting on a ramp which makes an angle of 24.0 degrees with respect to the horizontal. Find the magnitude of the acceleration of the box on the ramp
Two air carts of mass m1=.84 kg and m2=.42 kgare placed on a frictionless track. How much energy is stored in the spring bumper
A 26 cm tall object is placed in front of a concave mirror with a radius of 31 cm. The distance of the object to the mirror is 94 cm. Calculate the magnitude of the image height
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