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A mass of 200 grams stretches a spring 5 cm. The mass is the set in motion from its equilibrium position with an initial downward velocity of 20 cm/sec. assuming that there is no damping, decide the position of the mass at any time t, and decide the frequency and amplitude of the motion.
An electron is released from rest at the negative plate of aparallel plate capacitor. The charge per unit area on each plate isσ = 1.84E-7 C/m2, and the plates are separated by adistance of 1.48E-2 m. How fast is the electron moving just beforeit ..
What is the pressure change in water going from a 3.8- cm-diameter pipe to a 2.3- cm-diameter pipe if the velocity in the smaller pipe is 3.0 m/s?
A bucket of mass 2.00 is whirled in a vertical circle of radius 1.45. How fast must the bucket move at the top of the circle so that the rope does not go slack
A stunt man whose mass is 70 kg swings from the end of a 4.40-m long rope along the arc of a vertical circle. Assuming that he starts from rest as rope is horizontal, find out the tensions in the rope that are required to make him follow his circu..
How much heat flows from 1.00 kg of water at 36.0°C when it is placed in contact with 1.00 kg of 22°C water in reaching equilibrium
what is the equation for gravitational potential energy?what is the equation for kinetic energy?define conservation of
Obtain the wavelength in vacuum for blue light, whose frequency is 6.253 x 1014 Hz. Express your answer in nanometers (1 nm = 10?9 m)
An 88 g arrow is fired from a bow whose string exerts the average force of 110 N on the arrow over a distance of 78.00 cm. What is the speed of the arrow as it leaves the bow.
A container of cross-sectional area 102 cm2 contains liquid of density 1.50 g/cm3 to a height of 5.90 cm above a small hole of area 1.00 cm2 in the side. Find the speed of the fluid as it leaves the hole
A 16000kg airplane lands with a speed of 92m/son a stationary aircraft carrier deck that is 115 mlong. Find the work done by nonconservative forces in stopping the plane
Which one of the following statements is correct concerning the variation of pressure with depth in a static fluid? Which one of the following statements is correct concerning ahydraulic lift?
What is the final charge of each conductor. Two identical spherical conductors X and Y are mounted on insulated stands. X carries the charge of +8.0nC and Y carries a charge of -2.0nC.
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