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A large storage tank, open to the atmosphere at the top and filled with water, develops a small hole in its side at a point 18.9 m below the water level. The rate of flow from the leak is 2.60 10-3 m3/min.
(a) Determine the speed at which the water leaves the hole.
________ m/s
(b) Determine the diameter of the hole.
________ mm
The temperature difference between the inside and the outside of a home on a cold winter day is 49°F. Express this difference on the Kelvin scale.
A cube of ice is taken from the freezer at -8.0 and placed in a 113 aluminium calorimeter filled with 306 of water at room temperature of 20.0. The final situation is observed to be all water at 15.0.
a space station is a hollow cylinder of radius of 440m, that rotates to stimulate gravity by its centripetal acceleration. find the period of the rotation in seconds
Using a vernier caliper of least count 0.01 cm, the length of a cylinder is measured to be 3.76 cm, and its diameter 1.28 cm. Calculate the probable percent error in the volume
The drawing shows a graph of two waves traveling to the right at the same speed. (a) Using the data in the drawing, determine the wavelength of each wave. (b) The speed of the waves is 12 m/s; calculate the frequency of each one. (c) What is the maxi..
A radio station broadcasts at a frequency of 92.0 MHz with a power output of 51.8 kW. what is the energy of each emitted photon
John's face is 20 cm in front of a concave shaving mirror of focal length 30 cm. How large an image does he observe
a 4.0-kg hanging mass is connected by a string over a pulley to a 8.0-kg block ona frictionless ramp with an angle of inclination of 40 degrees above the horizontal
An enemy ship is on the east side of a mountainous island. The enemy ship can maneuver to within 2500 meters of the 1800 meter high mountain peak and can shoot projectiles with an initial speed of 250m/sec. If western shoreline is horizontally 30..
A skilled skier knows to jump upward before reaching a downward slope. Consider a jump in which the launch speed V0= 12.5 m/s, how far below the launch level does the skier land
What is the y component (in Newtons) of F
A spring (70 N/m) has an equilibrium length of 1.00 m. The spring is compressed to a length of 0.50 }, how far up the slope will the mass move before coming to rest
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