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Physics
a test tube contains 10 cm of ( 5 g.cm^-3)
find the total pressure at a point located 4 cm above the tube base
( the atmosphere pressure is 1 atm )
find the total pressure at a point located 4 cm above the tube base
( the atmosphere pressure is 1 atm )
Physics
A barrel contains two fluids of densities (4g.cm^-3 , 1 g.cm^-3)
and heights of ( 5cm , 3 cm ) respectively
,find the total pressure at the base of the barrel
( atmospheric pressure is 1 atm ) .
and heights of ( 5cm , 3 cm ) respectively
,find the total pressure at the base of the barrel
( atmospheric pressure is 1 atm ) .
Physics
How the single particle motion is influenced by the applying the following fields:
• Uniform E and B field
• Gravitational field
• Non-uniform B field
• Non-uniform E field
• Time varying E field
• Time varying B field
Write a detailed concept-based summary?
• Uniform E and B field
• Gravitational field
• Non-uniform B field
• Non-uniform E field
• Time varying E field
• Time varying B field
Write a detailed concept-based summary?
Physics
Water flows through a pipe of varying cylindrical cross-section. The speed of the water is 4m/s when the pipe radius 3cm. What is the speed of water through a cross-section of 6cm radius?
Show that the de Broglie wavelength of a particle in a one dimensional box in the first
excited state is equal to the length of the box.
excited state is equal to the length of the box.
How much heat must be added to a system at 298 K for the number of
accessible states to increase by a factor -0t.1O~
accessible states to increase by a factor -0t.1O~
In a nuclear reactor, a very slow-moving neutron is absorbed by a stationary boron atom. The equation for the nuclear reaction is
Consider a block of wood that floats with 60% of its volume above water along a portion a creek at Brookside, Baguio City. (The volume of the block is 0.5 m3 ) What is the buoyant force of water on the block of wood?
A 2940 N
B. 1960 N
C 3920 N
D 4900 N
Water flows from a pipe of diameter d to a large pipe of diameter 2d. If the speed of water in the large pipe is 4.0m/s, what is the speed of the water in the small pipe?
A. 2.0 m/s
B. 4.0 m/s
C 16.0 m/s
D. 8.0 m/s
Juan with a mass of 100. kg feels a gravitational force from Basha with a mass of 50.0 kg sitting 100.cm away. The gravitational force experienced by Basha will be that experienced by Juan.
A. same as
B. not enough information
C. less than
D. more than
A 2940 N
B. 1960 N
C 3920 N
D 4900 N
Water flows from a pipe of diameter d to a large pipe of diameter 2d. If the speed of water in the large pipe is 4.0m/s, what is the speed of the water in the small pipe?
A. 2.0 m/s
B. 4.0 m/s
C 16.0 m/s
D. 8.0 m/s
Juan with a mass of 100. kg feels a gravitational force from Basha with a mass of 50.0 kg sitting 100.cm away. The gravitational force experienced by Basha will be that experienced by Juan.
A. same as
B. not enough information
C. less than
D. more than
Physics
The displacement vectors A and B, when added together, give the resultant vector R, so that R = A + B. Use the data in the drawing and the fact that φ = 23° to find the magnitude R of the resultant vector and the angle θ that it makes with the +x axis.
A car starts from rest and accelerates uniformly over a time of 5.21 seconds for a distance of 110 m. Determine the acceleration of the car.
