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two forces are applied to a car in an effort to move it, as shown in the following figure, where F1 = 448 N and F2 = 350 N. (Assume up and to the right as positive directions.)
(a) What is the resultant of these two forces?
(b) If the car has a mass of 3,000 kg, what acceleration does it have? Ignore friction.
During this experiment the first step in the procedure was the measurement of the string's mass and total lenght, Calculate lthe linear mass density of the string in g/cm
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A 965-kg satellite orbits the Earth at a constant altitude of 94-km. What is the change in the system's kinetic energy
Find the x and y components and the magnitude and direction of the electric field at the following points. Find the x and y components and the magnitude of the electric field at the origin.
You are an engineer in charge of designing a new generation of elevators for a prospective upgrade to the empire state building. Before the state legislature votes on funding for the project.
Two long, parallel wires, each with the mass per unit length of 43 g/m, are supported in a horizontal plane by 6-cm long strings. Each wire carries the similar current, I, causing the wires to repel each other so that the angle, θ, between the sup..
The other end of the spring braced against a post that was firmly anchored to the ship's frame. What was the speed of the cannon ball if the spring compressed 50cm as the cannon was fired.
A gun shoots bullets that leave the muzzle at 213m/s. If a bullet is to hit a target 160.4m away at the level of the muzzle, the gun must be aimed at a point above target. (Neglect air resistance.)
A charge of -2.85 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass, which has a radius of 0.105 m.
What is the resultant velocity of the motor boat. What distance downstream does the boat reach opposite shore.
The antenna on a cordless phone radiates microwaves at a frequency of 2.0 GHz. What is the maximum length of the antenna
A Styrofoam box has a surface area of 0.74 m2 and a wall thickness of 2.0 cm. The temperature of the inner surface is 5.0°C, determine the thermal conductivity of the Styrofoam
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