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Please include all units and conversions in calculations.Over a time interval of 2.16 years, the velocity of a planet orbiting a distant star reverses in direction, changing from +20.9 km/s to -18.5 km/s. Find (a) its average acceleration (in m/s^2) during this interval (b) its average acceleration (in m/s*2) during a persons lifetime (70 years).
a youngs double-slit interference experiment gives bright fringes separated by 30.5 cm on a screen when the experiment
We are not normally aware of the gravitational or electric force between two ordinary objects. What is the reason in each case? Give an example where we are aware of each one and why.
Point charges located at 3, 8, and 11 cm along the x - axis are represented in the figure (at 3cm +q, 8cm -2q, 11cm +q). What is the magnitude of the force on the charge
A target glider, whose mass m2 is 370 g, is at rest on an air track, a distance d = 53 cm from the end of the track. How much more time elapses before the gliders collide again
Two parallel wires lie in the plane of the paper with equal magnitude 5.0 A currents in the opposite direction. find the magnitude and direction of the magnetic field
Two persons start at the same place but walk around a circular lake in opposite directions. Their angular speeds are 1.90 x 10-3 rad/s and 3.10 x 10-3 rad/s, respectively. How much time elapses before they meet
an object is being pulled toward the origin. the force pulling on the object is fx -kx2 gravitational and electrical
An RLC circuit has voltage supplied to it at a frequency of 31 kHZ with a phase difference between the current and the voltage of magnitude 0.8 rad, find the resistance of the circuit
An incandescent light bulb is rated at 100 W when the applied voltage is 120 V. find the resistance of the bulb when it is operating
For the following questions, express your answers in terms of q. (a) How much charge ends up on sphere C? (b) What is the total charge on the three spheres before they are allowed to touch each other? (c) What is the total charge on the three sphe..
Three equal point charges, each with charge 1.35 mu C, are located at the vertices of an equilateral triangle whose sides are of length 0.60m. What is an electric potential energy U of the system? (Take as zero the potential energy of the three ch..
A parallel-plate air capacitor of area A = 21.9 cm2 and plate separation of d = 3.60 mm is charged by a battery to a voltage of 64.0 V. how much additional charge will flow from the battery
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