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Suppose one of the resistor in the bridge circuit was heated by baking it in an oven. How would this effect the current flowing through it after placing it back into the circuit ?
Does the resistivity of a material depend on its length or cross-sectional area? Does the resistance depend on the lenghtr or cross-sectional areas? Explain.
The electric potential at a position located a distance of 18.9 mm from a positive point charge of 6.80x10-9C and 13.3 mm from a second point charge is 1.26kV. Calculate the value of the second char
How sure are when you're saying"those who were born blind only have auditory dreams and those who were blind at an early age only have visual dreams",is it proven scientifically or it's just an the
An infinitely -long, uniformly charged line of charge with linear charge density n=0.1 C/m lies a distance d=0.068m from the center of a sphere with radius= 0.23m. what is the amount of charge insid
A uniform electric field ai+bj intersects a surface of area A. what is the flux through this area if the surface lies (a)in the yz plane, (b) in the xz plane, and (c)in the xy plane?
A 35.0 cm diameter loop is rotated in a uniform electric field until the position of maximum electric flux is found. the flux in this position is 4.80E+05 N*m^2/C. what is the magnitude of the elect
To the dismay of scientists on earth, an electrical fault causes an on-board thruster to fire, decreasing the speed of the spacecraft by 26.0m/s .If nothing is done to correct its orbit, with what s
When the spring is compressed 4.0 cm from its relaxed length, the block is released. The block slides across a horizontal frictionless surface and collides elastically with another block (5.0 kg) th
In nature, the horizontal gene transfer across bacteria is mediated by (A) gene cloning followed by transformation (B)conjugation and transformation (C) conjugation only (D) transformation only
Hanging wire has a length of 1.90m . When a steel ball of mass 51.0 kg is suspended from the wire, the wire stretches by 1.50 mm . If the ball is pulled down a small additional distance and released
Consider a neutron star whose mass is twice the mass of the Sun and whose radius is 12.3 km. If it rotates with a period of 3.03 s, what is the speed of a point on the Equator of this star?
The numerical value of the angular velocity of rotation of the earth should be _____ rad/s in order to make the effective acceleration due to gravity at the equator equal to zero.
String 1 is attached to the end of the bar, and string 2 is attached a distance 0.65m from the other end. A monkey of mass 1kg walks from one end of the bar to the other. Find the tension T1 in stri
What is the center of gravity? How can you find it in various objects? How dooes it effect the equilibrium of an object? What is stability? What are the types of stability? What effect does stabilit
An electron with a kinetic energy of 10eV is moving from left to right along the x-axis. The potential energy is V=0 for x<0 and V=20eV for x>0. Treat the elctron as a one-dimensional plane w
An electron with a kinetic energy of 10eV is moving from left to right along the x-axis. The potential energy is V=0 for x<0 and V=20eV for x>0. Treat the elctron as a one-dimensional plane wa
By the time he reaches the top, the box is now at a height of 1.35m from the ground. What is the box's potential energy?
Two equal resistances are connected in the gaps of a meter bridge. If the resistance in the left gap is increased by 10%, by what percent does the balance-point shift (and in which direction) ?
Two cylindrical rods, one of stainless steel and the other of red brass, are joined at C and restrained by rigid supports at A and E. Determine the reactions at A and E and the deflection of point C
A car is traveling on a straight road. The maximum velocity that can be attained by the car is 24 m/s. The maximum acceleration and decceleration it can attain is 1 m/s^2 and 4 m/s^2 respectively. F
The density of water is 1000 kg/m^3. What is the pressure of the water on the fourth floor? Show work for first and best rating.