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Automobiles A and B are traveling in adjacent highway lanes and at t = 0 have the positions and speeds shown. Knowing that automobile A has a constant acceleration of 0.6 m/s2 and that B has a constant deceleration of 0.4 m/s2, determine
(a) When and where A will overtake B,
(b) The speed of each automobile at that time.
the secondary voltage of an ignition transformer in a furnace is 14.5 kv. when the primary operates at an rms voltage
Calculate the position inthe x-y plane where the net electric field is zero due to these twocharges. Calculate the magnitudeand direction of the force on a + 2.0 µC charge placed atthis point.
A block is attached to a ceiling by a spring of force constant k. When pulled down and released, what is the force constant k of the spring
there are 200 students riding bikes each producing 110w of heat out put which is used for a heat engine which has an
Two springs,each w/ spring constant 20N/m,connected parallel, & combination hung vertically one end.10-N weight is suspended from other end of combined spring
A neutron star of 2.00 solar masses is rotating at a rate of 1.00 revolutions per second. What is the radius of the neutron star? Assuming its density is uniform, find the rotational inertia and its angular momentum.
Two converging lenses, each of focal length 14.5 cm, are placed 39.1 cm apart, and an object is placed 29.2 cm in front of the first. What is the magnifcation of the system
A transformer is designed to step down the 209 volts to 30 volts. If there are 446 turns on the input coil, how many turns should there be on the output coil
A solid disk of mass M and radius R is pivoted so that it can rotate about its center. The disk is initially at rest. A ball of mass m and speed v travels along a path tangential to the rim of the disk. The ball sticks to the disk and the assembly..
A 10-? reistor is connected to a 120-V ac power supply. What is the peak current through the resistor
What is the value of the capacitance C2 that should be added to the circuit so that the circuit will have a resonant frequency that matches the generator frequency
The minimum stopping distance for a car traveling at a speed of 30 m/s is 60 m, What is the minimum stopping distance for the same car traveling at a speed of 32m/s
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