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Your are standing with your 1,116-kg car at a red light. The light turns green, and you speed up your car to 33 mph over a disatnce of 54 m. Then you continue at a constant speed for another mile, until you encounter again a red light. You bring your car to a complete stop over a distance of 53 m.
What is the total work done on your car from the moment you started from rest?
a battery has an internal resistance of 1.3 omega and a voltage of 48 v. what is the load resistance which causes the
A charged particle m=6g q=-80 c moves in a region of uniform field along a helical path (radius = 3.0 cm, pitch = 9.0 cm) as shown. Illustrate what is the angle among the velocity of the particle and the magnetic field?
A singly charged ion of Li (an isotope of lithium) has a mass of 1.16×10-26 kilogram. Obtain the radius of the ion path in the magnetic field
A source of sound is located at the center of two concentric spheres, Determine the sound intensity at each of the three patches
A 5kg object is initally at rest. The object is acted on by a 9N force toward the east for 3 seconds. How far has the object moved during this 7 second interval
On a pleasure cruise a boat is traveling relative to the water at a speed of 6.58 m/s due south. Relative to the boat, a passenger walks toward the back of the boat at a speed of 1.84 m/s. What is the magnitude of the passenger's velocity relative to..
A rock is thrown vertically upward with a speed of 19.0m/s from the roof of a building that is 70.0m above the ground. Assume free fall. What is the speed of the rock just before it strikes the ground?
An electric potential is given by V = 4x^2 + 2y^2 + x + z + 2 volts. What is the electric field at the point (2,2,2)
What is the current passing through each appliance in the parallel circuit?
A 100 Ohm resistor dissipates heat to its surroundings, isothermally. The resistor maintains a constant temperature of 300 K. How much energy does the surroundings absorb
A pistol that fires a signal flare gives it an initial velocity (muzzle velocity) of 134 m/s at an angle of 57.1 degree above the horizontal. Find the flare's maximum height
The nucleus of platinum is a uniformly charged sphere with a chargeof 78e and a radius of 7.00 x 10^-15 What is the electric potential energy of an incident proton arriving at the nuclear surface
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