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The coefficient of kinetic friction between block A and cart BC is .50. Knowing that the cart consists of a mass of 4kg and can roll freely. Find out (i) The final velocity of cart and block (ii) Th
In civil aviation, a ‘standard turn’ for level flight of a propeller-driven airplane is one in which the airplane forms a complete circular turn in 2 min. When the speed of plane is 179
Explain why do charged particles from outer space termed as cosmic rays hit earth more regularly at the poles than at the equator?
Cost of food is $35 per person for first 100 people and $25 per person for every additional person beyond first 100. Determine the cost function.
Determine the ratio of the de Broglie wavelengths of Hydrogen atom in a room and on the surface of the sun?
A concave mirror is formed by coating the inner surface of a segment of a spherical shell with a reflecting material.
A commercial X-ray microscope employs photons of the energy 0.5 keV. The electron microscope employs electrons of the similar kinetic energy. Which microscope has better resolution and by what facto
Earth consists of the mass 6 x 1024 kg and the orbit radius r = 1.5 • 1011 m. (i) Calculate the de Broglie wavelength.
Determine time and how is it measured? Describe distance and how is it measured? Compare and contrast distance and time.
Determine the number of interference fringes which will be seen in the central maximum in the diffraction pattern?
Several printing presses are designed with large plates which print the fixed number of pages as the unit. Find cost of printing a book of 128 pages? 129 pages? p pages?
When the two slits in a double-slit experiment each encompass a width of 0.8mm and a spacing of 0.24mm, determine how many interference peaks will lie in the central diffraction maximum by using 488
After a tornado, a straw of 0.55g was found embedded 2.3 cm to the trunk of a tree. When the average force excreted on the straw by the tree was 65N, determine the speed of the straw when it strikes
The two light pulses are emitted concurrently from a source. The pulses take parallel paths to a detector 6.10 m away, however one passes via air and the other via a block of fluorite. Find out the
Their initial separation is similar as the distance between our sun and the earth, D = 1.5 x 1011 m. Their gravitational interaction causes the stars to be pulled toward one other. Determine the spe
A long, solid, conducting cylindrical wire having radius consists of a current density J(r) = Cr and carries a net current I. i) Determine an expression for the constant C in terms of I and a.
A robot submersible is free from a research vessel. Through computer controls the craft is to execute the given sequence:
This top point was directly above on ground 4.71 m from same base point. How much did point on ground move toward base point?
The electron and a neutron encompass the similar wavelength. Determine the ratio of (i) Their kinetic energies and (ii) their momentum?
The skipper on a boat notices wave crests passing the anchor chain each and every 5 s. He estimates the distance between wave crests to be 15 m. He as well correctly estimates the speed of the waves
The hole in an aluminum plate consists of a diameter of 1.179 cm at 23.00 degrees Celsius. i) Find the diameter of the hole at 197.0 degrees Celsius?
Weight is released at time seconds and moves upward, oscillating in simple harmonic motion. It finishes one cycle in seconds. Write equation modeling displacement as the function of time.
A weight hanging from a spring is seen to bob up and down over the distance of 25 centimeters 2 times each second.
Determine the wavelength of a 34000 Hz ultrasonic wave in air? (Units must be in meters so just enter the number, speed of sound in air is given as 340 m/s)
A person of 63.4 kg running tangential to the rim of the merry-go-round at 3.51m/s jumps to its rim and holds on. Before jumping on the merry-go-round, the person was moving in the similar directio