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A 300-g mass at the end of an ideal spring vibrates up and down in such a way that it is 2.0 cm above the tabletop at its lowest point and 16 cm above at its highest point. Its period is 4.0 s. Determine
(a) the amplitude of vibration,
(b) the spring constant,
(c) the speed and acceleration of the mass when it is 9 cm above the table top,
(d) the speed and acceleration of the mass when it is 12 cm above the table-top?
A circular wire loop of radius 13cm carries a current of 3.66 A. It is placed so that the normal to its plane makes an angle of 34.8° with the uniform magnetic field of magnitude 9.70 T.
Suppose the same masses are used for a force table experiment as were used in Part 1, but each pulley is moved 180° so that the 0.100 kg mass acts at 200°, and the 0.200 kg mass acts at 270°. What is the magnitude of the resultant in this case
Two 10 cm-diameter charged thin rings face each other, 20 cm apart. The left ring is charged to 20 nC and the right ring is charged to +20 nC. What is the electric field.
A rocket with mass 1000kg accelerates upwards at a rate of 20m/s (a) How long does it take before it is going at the speed of sound (334 m/s)? (b) How long does it take before the rocket is at a height of 100km?
Two 10.0 cm -diameter electrodes 0.52 cm apart form a parallel-plate capacitor. What is the electric field strength inside the capacitor after insulating handles are used to pull the electrodes away from each other until they are 1.3 cm apart
The springs of a 1100 kg car compress 4.5 mm when its 68 kg driver gets into the driver's seat. what will be the frequency of vibrations
A positive point charge Q1 = 5.0*10-5 C is fixed at the origin of coordinates, Find the location(s) where the total electric field is equal to zero
If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find out the final speed of the truck.
A ball of mass 0.55 kg moves around a vertical circle of radius 1.2 m. Find the tension of the string T
In an interstellar gas cloud at 48.2 K, the pressure is 1.16 x 10-8 Pa. what is their mean free path
During a crash test, a car moving at 60 km/ hr collides with a rigid barrier and comes to a complete stop in 200 ms, Find the total impulse imparted by the collision, Find the average collisional force
The applied force acts for 5.9 s, during which time the angular speed of the wheel increases from 0 to 12 rad/s. The applied force is then removed, and the wheel comes to rest in 65 s. Illustrate what is the frictional torque?
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