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A 2.0 kg mass attached to a light spring with a spring constant of 46 N/m oscillates on a frictionless horizontal surface. The spring is initially compressed 3.7 cm and released from rest.
a. Find the maximum speed of the mass in its oscillation.
b. Find the speed of the mass, when the spring is stretched 2.0 cm.
c. Find the period of the oscillation.
A small piece of dust of mass m = 1.3 mu or micro g travels horizontally through an electric air cleaner in which the electric field is 478 N/C. What is the charge on the dust particle
A 1250 kg car is moving at 5.0 m/s collides with and couples with the 750 kg car. What is the resulting speed of the coupled cars.
Refrigerant-22 enters a turbine at 300 psi, 280°F, 2000 ft3/hr. The exit is at 15 psi, 10°F. Find the mass flow rate
The center of mass for a 1 meter stick is at 49.7cm when placed on an fulcrum. Calculate the net clockwise torque on the meter stick
In a head-on collision, a car stops in 0.29 {s} from the speed of 28 {m/s}. The driver has a mass of 78 {kg}, and is, fortunately, tightly strapped into his seat. what force is applied to driver during that fraction of a second.
A spherical water drop 2.9 ?m in diameter is suspended in calm air due to a downward-directed atmospheric electric field of magnitude E = 5240 N/C. How many excess electrons does it have
We can model the eye as a sphere 2.50 in diameter with a thin lens in the front and the retina along the back surface. What is the range of the effective focal length of the lens of the eye for this person? fmin and fmax
Each plate of a parallel-plate capacitor is a square of side 4.45 cm and the plates are separated by 0.545 mm. Find the electric field strength inside the capacitor
A 0.400-kg bead slides on a frictionless, curved wire, starting from rest at pt A, Find the speed of the second bead just after the collision
a long horizontal wire carries a current of 48 amps. A second wire, made of 2.5 mm diameter copper wire, determine direction of the current in the lower wire
A woman stands at the center of a platform. The woman and the platform rotate with an angular speed of 5.20 rad/s. Friction is negligible. Find her new angular speed
let ?1 and ?2 be the ground state and first excited state wave functions for a particle in a deep potential well of width L. calculate the uncertainty in momentum
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