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A certain cylindrical drum is 3 meters in height. It filled with with water. Atmospheric pressure is 10^5 Pa, and the density of water is 1000 gl/m^3.
a. What is the water pressure at the top of the barrel? Explain. Express your answer in Pa.
b. What is the water pressure at the bottom of the barrel?
c. A 1mm insides diameter 30m long steel pipe is inserted through the top of the drum. Water is poured in to fill the pipe. What is the mass of water in the pipe?
d, If the "burst strength: of the drum is 4x!0^5 Pa, will the drum burst?
A convex mirror has a focal length of -39.0 cm. A 12.0 cm tall object is located 41.0 cm in front of this mirror. Using a ray diagram drawn to scale, determine the size of the image
An anchor shoots an arrow with a velocity of 45 m/s at the angle of 50 degrees with the horizontal.An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up into the air at th right time and speed ..
A child sits still on a swing that is supported by two chains. Each chain makes a 15.0° angle with the vertical. The child's mass is 25.0 kg. What is the tension in each chain? (Ignore the mass of the seat and chains.)
A car is driving directly north on the freeway at a speed of 114 km/h and a truck is leaving the freeway driving 92 km/h in a direction that is 30° west of north
Boat sails at a rate of 5.0 m / s relative to the sea. He is aiming directly north, What will be the direction of the boat
A Toyota Prius driving north at 61 and a VW Passat driving south at 42 are on the same road heading toward each other.
q1. what is an acceleration of two falling sky divers mass 120.0 kg including parachute while the upward force of air
Find out the frequency of the fourth harmonic if the string is fixed at one end and free at other. (That is, if the free end is attached to a long string of negligible mass.)
Laser light of wavelength 400 nm illuminates an array of very narrow slits, producing an interference pattern on a screen 70 cm from the slits. compute the separation between the slits
When the flask and mercury are warmed together to a temperature of 52.0 degrees C , a volume of 8.35cm3 of mercury overflows the flask.If the coefficient of volume expansion of mercury is 1.8 * 10^-4 /K ,
A car travels at a constant speed around a circular track whose radius is 3.1 km, What is the magnitude of the centripetal acceleration of the car
When the electric power was turned off, the electric motor originally running at 1800 rpm comes to rest in 15.0 s. Find out the angular acceleration, the angular velocity at the end of 5.0 s, and the total angle turned through in 15.0 s.
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