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A meter stick is held vertically with one end on the floor and is then allowed to fall. Find the speed of the other end when it hits the floor, assuming that the end on the floor does not slip. (Hint: Consider the stick to be a thin rod and use the conservation of energy principle.) (in m/s)
A basketball of mass 3 kg and radius 0.20 m rolls without slipping down an incline of angle 30 degrees. Calculate the acceleration of the center of mass
A student sits on a freely rotating stool holding two dumbels, each of mass of 3.00kg. find the kinetic energy rotating system before and after he pulls the dumbbells inward
Light of wavelength 646nm from a distant source is incident on a slit .720mm wide, What is the distance between the two dark fringes on either side of the central bright fringe
Recently we were padding on a boat in a sea. Surprisingly we saw gleaming points in water during padding. Would you explain about this.
compare the energy consumption of two commonly used items in the household. calculate the energy used by a 1.40 kw
A transformer with 1710 turns on the primary and 229 turns on the secondary is used in an electric slot car racing set to reduce the input voltage amplitude of 170 V from the wall output
At the end of a race a runner decelerates from a velocity of 8.00 m/s at a rate of 0.300 m/s2. How far does she travel in the next 15.0 s
A flat sheet of crown glass has a thickness of 2.3 cm. It is on top of a flat sheet of crystalline quartz that has a thickness of 1.6 cm. how far would it have traveled in a vacuum
1 what is meant by the expression i2r losses in electric circuits?2 name and describe two electrical applications where
What is the potential energy of the elevator
A baseball (mass 0.14 kg, radius 3.7 cm) is spinning with an angular velocity of 98 rad/s. What is its rotational kinetic energy
The blue line of the hydrogen emission spectrum has a wavelength of 433.9 nm. Calculate the energy of one photon of this light
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