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A cork in the form of a cylinder with length 6 centimeter and cross-sectional area 4 cm^2 is placed in water and it is found that one half of its volume is submerged. A man now pushes down on the cork such that all but 1 centimeter of length is under water and then the cork is released. it is observed that the cork bobs up and down performing SHM. Calculate the frequency of oscillation for the cork.
to study in detail the surface of the moon it is planned to put a geo-synchronous satellite in orbit about the moon.
The same device can act as both an air conditioner and a heat pump (after all, they do the same thing), what is the coefficient of performance of the device acting as a heat pump
A cylinder of mass, M1= 6kg and radius R= 4 m is spinning about anaxis through its center at 7 rad/sec. What is the final angular velocity of the combination
A glass rod rubbed with silk acquires a charge of +1.0×10-9 C. How many electrons have been transferred to the silk
Let's say your can has covers a distance of 3 m in 5 seconds under constant acceleration. Use kinematics equations and Newton's second law to calculate the acceleration of the can
A 60kg boy and a 45 kg girl use an elastic rope while engaged in a tug-of-war on a frictionless icy surface. If the acceleration of the girl toward the boy is 2.3 m/s2, find the magnitude of the acceleration of the boy toward the girl.
the period of a pulsating variable star may be estimated by considering the star to be executing radial longitudinal
Hail is falling on the roof of a car at a mass rate ofm/t = 0.070kg/s and an inital velocity of v0 = -10m/s, Calculate the force exerted by the hail on the roof
When a car is traveling at 23 m/s on level ground, the stopping distance is found to be 20 m. What is the stopping distance now, as measured along the incline
a rowland ring of mean radius 15 cm has 3500 turns of wire wound on a ferromagnetic core of relative permeability 800.
What is the minimum work needed to push a 950kg car 810m upalong a 9.0 degree incline
A neutron of initial kinetic energy (Eini) scatters elastically from a target nucleus which is initiallt at rest. Find the maximum and average fractional kinetic energy loss F=1-(Efinal/Einitial)
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