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The uncertainties in length, width and height of a box are ±0.1m, ±0.1m and ±0.2m, respectively. If the percent uncertainty in volume of the box is 2%, what is the measured volume value?
A ski gondola is connected to the top of a hill by a steel cable oflength 620 m and diameter 1.5 cm. As thegondola comes to the end of its run, What is the speed of the pulse
When any radioactive dating method is used, experimental error in the measurement of the sample's activity leads to error in the estimated age. find the age of the fossils
A vertical straight wire carrying an upward 24-A current exerts an attractive force per unit length of on a second parallel wire 7.5 cm away. What current (magnitude) flows in the second wire? What current (direction) flows in the second wire?
a hike walks 4.5km in one direction, then makes a 45 degree turn to the right and walks another 6.4km. What is the magnitude of her displacement
a closed circuit consists of two semicircles of radii 37 and 20 cm that are connected by straight segments. a current
An object is attached to the lower end of a 100-coil spring that is hanging from the ceiling. The spring stretches by 0.160 m. The spring is then cut into two identical springs of 50 coils each. Each spring is attached between the ceiling and the obj..
An old-fashioned single-play vinyl record rotates on a turntable at 45.0 rpm. Determine what the angular velocity
A 0.032 µF capacitor is connected to a 1.7 kV (rms) ac voltage source oscillating at 750 Hz. What is the capacitive reactance of this system
The electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 1.60 10-10 T. How much energy does this wave carry through the window
Light of a wavelength 450 nm is incident on a sodium emitter in a photoelectric effect apparatus. Sodium is 2.3 eV, What is the stopping potential for the emitted electrons
A vessel at rest at the origin of an xy coordinate system explodes into three pieces. Just after the explosion, one piece, of mass m, What is the direction of the third piece just after the explosion
A lens that is "optically perfect" is still limited by diffraction effects. Suppose a lens has a diameter of 130mm, What is the linear width (diameter) of the central maximum at the focal distance of the lens
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