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A jack-in-the-box is actually a system that consists of an object attached to the top of a vertical spring (Fig.)
a. Sketch the energy graph for the potential energy and the total energy of the spring-object system as a function of compression distance x from x = -xmax to x =0. Where -xmax is the maximum amount of compression of the spring. Ignore the change in gravitational potential energy.
b. Sketch the kinetic energy of the system between these points-the two distances in part (a)-on the same graph (using a different color).
A straight wire of length L carries a current I in the positive z direction in a region where the magnetic field is is uniform and specified by Bx=3B, By=-2B, and Bz=B, What is the magnitude of the magnetic force on the wire
An engineer is given the job of designing the water system for atall building. He decides to locate the pumps at ground level, what must the pressure be at pump level
A person walks into a room that has, on opposite walls, two planemirrors producing multiple images. When the person is 5.00 ft from the mirror on theleft wall and 10.0 ft from the mirror on the right wall, find the distances from the person to the..
A jet moving 500.0 km/h due east is in a region where the windis moving at 120.0 km/h in a direction 30.00 degrees north of east. What is the speed of the aircraft relative to the ground
question1the starter motor of a car engine draws a current of 126 a from the battery. the copper wire to the motor is 6
The suspension system of your 1200 kg car has a natural oscillation frequency of 2:00 Hz without functioning shock absorbers. find At what speed are you driving
an aluminum wire having a cross-sectional area of 3.00 multiplied by 10-6 m2 carries a current of 5.00 a. find the
The interaction of a typical car’s tires with the road (i.e. the “grip” of the tires) can provide a “lateral” acceleration (i.e. perpendicular to the direction the car is moving) of approximately 0.8 g’s (Some sports cars can get close to 1.0 g).
Real transformers are not 100 percent efficient. That is, the efficiency, in percent, is represented by e = (100) Ps / PP. A step- down transformer that has an efficiency of 92.5 percent is utilized to obtain 28.0 V from the 125-V household voltage. ..
A projectile of mass 0.6 kg is fired vertically upwards in the barrel of a gun by a vertical net propelling force of 50 N acting over a period of0.5 seconds. Calculate the velocity of the projectile when it leaves the gun.
You drive west at 74km/h for 25min , then follow a road that goes 41^\circ south of west, driving at 93km/h for another 36min. Find your average speed for the trip
Find the energy (in MeV) that binds the neutron to the ^14/7N nucleus by considering the mass of the ^13/7N and the mass of ^1/0n, as compared to the mass of ^14/7N.
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