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A jogger accelerates from rest to 3.99 m/s in 3.91 s. A car accelerates from 17.6 to 34.2 m/s also in 3.91 s. (a) Discover the magnitude of the acceleration of the jogger. (b) Decide the magnitude of the acceleration of the car. (c) How much further does the car travel than the jogger through the 3.91 s?
A firehose 17 m long is uncoiled bypulling the nozzle end horizontally along a frictionless surface atthe steady speed of 2.4 m/s. How much work has been done on the hose bythe applied force
The half life of 14C is 5730 years. What fraction of the 14C nuclei in a sample are left after 7180 years? The amount of 14C in an old, isolated sample of vegetation is 0.744 that expected from a present day sample by equivalent carbon content. Compu..
Three polarizing plates whose planes are parallel are centered on a common axis. The directions of the transmission axes relative to the common vertical direction, Calculate the transmitted intensity
When they oppose one another, the box accelerates at 0.240 m/s2 in the direction of F2. (a) What is the magnitude of F1? (b) What is the magnitude of F2?
Two identical parallel-plate capacitors, each with capacitance C, are charged to potential difference ?V and then disconnected from the battery. Find the total energy of the system of two capacitors before the plate separation is doubled
A Gaussian surface in the shape of a right circular cylinder by end caps has a radius of 10.2 cm and a length of 120 cm. During one end there is an inward magnetic flux of 21.4 μWb. At the other end there is a uniform magnetic field of 1.93 mT, norma..
Suppose a capacitor in a video camera has a capacitance of 26.0 ?F, and is currently holding 5.000e-5 C of charge. How much potential energy is stored in the capacitor
Calculate the threshold wavelength, in nm, of a metal if that metal emits an electron with a kinetic energy of 6.32 × 10-19 J when illuminated with light that has a frequency of 1.97 × 1015 Hz.
A copper wire of radius a = 0.331 mm has an aluminumjacket of outer radius b = 0.459 mm. There is a currenti = 2.23 A in the composite wire. Take the resistivity for copper and aluminum to be 1.69 x 10-8Ω·m and2.75 x 10-8Ω·m.
a velocity filter with crossed electric and magnetic fields is designed to permit the passage of singly ionized 22-ne
A 50.0-kg student climbs a 5.00-m-long rope and atops at the top. How much work does she do
The ground-state energy of an electron confined along the x-axis is 6.92×10-18 J. What is the approximate length of the region to which the electron is confined
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