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a) Compute the resistance of an automobile jumper cable. (Suppose that the length of the jumper cables is 2.5 m. Also suppose the wires are made of copper and have a cross-sectional area of 10 mm2.)
b) A current is required to start a typical car. What is the potential drop that occurs across the jumper cable? (Take the starting current to be 93 A.)
c) How much power is dissipated in the jumper cable when it carries that current?
Light of wavelength 605 nm is incident on a narrow slit. The angle among the first diffraction minimum on one side of the central maximum and the first minimum on the other side is 1.26°. What is the width of the slit?
An air conditioner connected to a 120 V rms ac line is equivalent to a 11.0 resistance and a 1.50 inductive reactance in series. Compute the impedance of the air conditioner. Compute the average rate at which power is supplied to the appliance.
-What is the total force on the bottom of a swimming pool 13.0 m with 5.8 m whose uniform depth is 1.9 m? What is the absolute pressure on the bottom of a swimming pool? What will be the pressure against the side of the pool near the bottom?
A car with an initial velocity of 3.5 m/s coasts with the engine off and the transmission in neutral. If the combined effect of air resistance and rolling friction causes a deceleration of0.50 m/s2, after how long of a time will the car come to a sto..
A circular loop of wire of radius r = 0.32 m and resistance R=2.5ohms is placed in a uniform magnetic field that is perpendicular to the plane of the loop and initially directed in to the page. The field varies with time as Bz = -4T - (5.6 T/S )t +(2..
A 0.54 kg object connected to a light spring with a force constant of 18.2N/m oscillates on a frictionless horizontal surface. If the spring is compressed 4.0 cm and released from rest. Decide the maximum speed of the object.
An object is placed 20 cm to the left of a converging lens of focal length 27 cm. A diverging lens of focal length 10 cm is 25 cm to the right of the converging lens. Discover the position and magnification of the final image
A cab driver picks up a customer and delivers her 1.80 km away, on a straight route. The driver accelerates to the speed limit and, on reaching it, begins to decelerate all at once.
An energy of 0.1 J is stored in the metal ball on top of a Van de Graaff generator. A spark carrying 1 micro coulomb (10^-6 C) discharges the ball. What was the ball potential relative to ground?
A straight wire (length =8.0 m) is bent to form a square. If the wire carries a current of 20A, what is the magnitude of the magnetic field at the center of the square?
halleys comet has a period of approximately 76 years and it moves in an elliptical orbit in which its distance from the
What is the maximum speed of a 2.20g particle that oscillates between x =2.0mm and x =8.0mm, Suppose the collision between the packages is perfectly elastic. To what height does the package of mass m rebound
If a virtual image is formed 10.0 cm along the principal axis from a convex mirror of focal length -15.0 cm, how far is the object from the mirror
The yellow light from a helium discharge tube has a wavelength of 587.5 nm. calculate the number of lines per centimeter on the grating
a what minimum amount of energy does this acceleration require from the spaceships fuel assuming perfect efficiency?b
superman m 90 kg jumps over a 51 m tall building by first accelerating from rest to his maximum velocity in 0.003 s.
a frictionless pulley which can be modeled as a 0.80 solid cylinder with a 0.30 m radius has a rope going over it. What is the angular acceleration of the pulley
A satellite has a mass of 99 kg and is located at 2.0 106 m above the surface of Earth. compute the potential energy associated with the satellite
the plastic tube in the figure has a cross-sectional area of 6.69 cm2. the tube is filled with water until the short
A person stands on a bathroom scale in a motionless elevator. Calculate the acceleration of the elevator
Suppose there are two concentric thin walled conducting spheres, the inner one of radius 10 cm and the outer one of radius 12 cm. If the inner one has a charge of 2.2 C and the outer one has -2.2 C, what is the E field at a point 11 cm from the ce..
The driver of a 1740 car traveling on a horizontal road at 110 suddenly applies the brakes. How many meters does it travel before stopping under these conditions
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