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Students use a simple pendulum with a length of 36.9cm to determine the value of "g". If it takes 12.2s to complete 10 oscillations,
a) what will be their experimental value "g"?
b) If the pendulum were placed on the moon where "g" of the moon = 1/6th the "g" of the earth, will the period, (1) increase, (2) remain the same, (3) decrease ? and why?
c) If the period on the earth were 3s, what would it be on the moon?
Four identical charges (+2.9 µC each) are brought from infinity and fixed to a straight line. The charges are located 0.59 m apart. Decide the electric potential energy of this group.
You are travelling in a convertible with the top down. The car is moving at a constant velocity of 25 m/s, due east along flat ground. Determine how far has the car moved when you get a chance to catch the tomato
A computer hard drive disk with a diameter of 3.5 inches rotates at 7200 rpm. Find the tangential speed in m/s of a point on the disk under the read head
A centrifuge in a medical laboratory rotates at an angularspeed of 3600 rev/min. Find the constant angular accleration of the centrifuge
A spherical conducting shell of inner radius "a" and outer radius "b" carries a total charge of +5Q distributed on the surface of a conducting shell. Find the charge distribution on the conductor
A computer is reading data from a rotating CD-ROM. At a point that is 0.030m from the center of the disk, centripetal acceleration is 120m/s2. What is the centripetal acceleration at a point that is 0.05 m from the center of disc.
An air-filled parallel-plate capacitor has a capacitance of 1.4 pF. The separation of the plates is doubled and wax is inserted among them. The new capacitance is 2.1 pF. Discover the dielectric constant of the wax.
On a cold winter's day heat leaks slowly out of a house at the rate of 25.0kW. find the rate of entropy increase
an automobile having a mass of 1000 kg is driven into a brick wall in a safety test. the bumper behaves like a spring
When doing the classic double slit experiment is the time among emitting photons significant at all? Say, a single photon is emitted; the scientist waits T seconds, and then emits another photon. Are there any values for T which does not reason inter..
An alpha particle (charge 2e) is sent at high speed toward a gold nucleus. The electric force acting on alpha particle is 91 N when it's 2.00 x 10^(exponent)-14m away from the gold nucleus What is the charge on gold nucleus, as a whole number mult..
suppose we measure the resistance from one hand to the other and find it to be 2 kilo ohms. What is the resistivity of skin
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