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Two point charges lie along the y axis. A charge of q1 = -14.0 µC is at y = 5.0 m, and a charge of q2 = -2.0 µC is at y = -3.0 m. Locate the point (other than infinity) at which the tota
Uniform chain of total mass M and total length L lies in a heap on a table. One end is pulled upwards at constant speed v. Show that the force required to do this is equal to the weight of a length
When leaping at an angle of 58.0degree above the horizontal, some of the tiny critters have reached a maximum height of 57.7cm above the level ground. Initial velocity is 3.97m/s What horizontal dis
What must the bandwidth be for a radar system which uses pulse widths of .1 us? If this radar is used for determining distance, what is the uncertainty in its measurement? please explain the answer
A point charge q1 = 4.60 nC is located at the x-axis at x = 2.00 m, and a second point charge q2 = -4.50 nC is on the y-axis at y = 1.00 m. What is the total electric flux due to these two point cha
(a) at any point between the cylinders, a distance r from the axis E = (b) at any point outside the outer cylinder E = (d) Find the charge per unit length on the inner surface and on the outer surfa
A child stands on a playground merry-go-round a distance of 1.50 m from the rotation axis. The coefficient of static friction between the child's shoes and the surface of the merry-go-round is 0.700
According to Gauss's law, the net flux through the sphere is zero because it contains no charge. Yet the field due to the external charge is much stronger on the near side of the sphere (i.e., at x
Assume the following situation. A gurney is pushed across a level rug in which the coefficient of friction is 0.15. If the frictional force is 195.82N find the mass of the gurney assuming g=10N/kg.
A charge of +23.9 C is at the origin. When charge Q is placed at 2 m along the positive x axis, the electric field at 2 m along the negative x axis becomes zero. What is the value of Q? Express the
A car travels around 200 m radius flat curve at 40 m/s at constant speed. What is the minimum static coefficient of friction which allows it to travel at this speed without sliding?
A 2-kg ball is moving with a constant speed of 5 m/s in a horizontal circle whose radius is 50 cm. What is the magnitude of the net force on the ball?
A 600-kg car is going around a curve with a radius of 120 m that is banked at an angle of 20° with a speed of 24.5 m/s. What is the minimum coefficient of static friction required for the car n
A student slides her 80.0-kg desk across the level floor of her dormitory room a distance 2.00 m at constant speed. If the coefficient of kinetic friction between the desk and the floor is 0.400, h
A constant force F = 2.00 Ni + 3.00 Nj acts on a 5.00 kg object as it moves in a straight line from the position r1 = 1.00 m i + 1.00 m j to a position r2 = 4.00 mi - 1.00 mj . Determine the work do
If state law mandates that elevators cannot accelerate at greater than 2.70 m/s2 or travel faster than 15.3 m/s, what is the minimum time in which an elevator can travel the 373 m from the ground fl
2 mol of an idea gas ( = 1.4) expands slowly and adiabatically from a pressure of 4 atm and a volume of 10 L to a final volume of 25 L. The universal gas constant is 8.31451 J/K · mol. What i
Determine the temperature (oC) and the total enthalpy (kJ) when the heating is completed. Sketch the P-v diagram to show the process.
An ideal gas at temperature T0 is slowly com- pressed at constant pressure of 2 atm from a volume of 10 liters to a volume of 2 liters. Then the volume of the gas is held constant while heat is adde
1 mol of oxygen gas is confined to a 6 L vessel at a pressure of 6 atm. Avogadro's number is 6.02214×1023 1/mol. The mass of an O2 molecule is 5.31×10-26 kg. Find the average translational
One mole of air at 340 K confined in a cylinder under a heavy piston occupies a volume of 5.4 L. The heat capacity of air under constant volume is 5/2R. Find the new volume of the gas if 3.2 kJ is t
Two test charges are located in the x-y plane. If q1 = -3.35 nC and is located at x = 0.00 m, y = 1.080 m and the second test charge has magnitude of q2 = 3.40 nC and is located at x = 1.00 m, y = 0
How much thermal energy must be transferred to the gas at constant pressure to raise the temperature to 470 K?
A closed surface encloses a net charge of 3.40uC . What is the net electric flux through the surface? If the electric flux through a closed surface is determined to be 1.30N*m2/C , how much charge i