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Anna Litical is riding a roller coaster. Anna encounters the bottom of a small dip having a radius of curvature of 15.0 m. At the bottom of this dip Anna is traveling with a speed of 16.0 m/s. What normal force acting upon Anna's 50-kg body does she experience?
A person eats a container of yogurt. The Nutritional Facts labelstates that it contains 240 Calories (1 Calorie = 4186 J). What mass of perspiration would one have to lose to get rid of thisenergy? At body temperature, the latent heat of vaporizat..
a planar slab of thickness of 5.00 cm has a uniform volume charge density of 5.20times10-2 c m3. find the magnitude of
When an atom emits a photon in a transition from a state of energy E1 to a state of energy E2, Evaluate this recoil energy for the n = 2 to n = 1 transition of hydrogen.
The guaranteed accuracy of a flow meter working on thermal principle is ± 3% of full scale reading of 2.5 x 10-6 m3/s. If the flow measured by this meter is 1.25 x 10-6 m3/s, calculate the limiting error in percent
The work needed to remove an electron from the surface of sodium is 2.3 eV. How big maximal velocity will have electrons if the surface of sodium will be illuminated with ultraviolet light wave length
Provided that a 6.12x10^-2 A current in the wire is directed downward, what is the magnitude and direction of the magnetic field in the two boxes, if the boxes are 3.7x10^-3 m away from the wire?
Two charge distributions, Q1=1.4X10^-10C and Q2=3.5X10^-10, WHat is the force between them and the electric field between them?
The temperature of 3.25 mol of an ideal diatomic gas is increased by 23.5 ?C without the pressure of the gas changing. By how much does the rotational kinetic energy of the gas increase
Boy is stands on a scale in an elevator that is accelerating upward. Scale reads 723.8 N. Find magnitude of the acceleration of the elevator
How far is the second dark fringe to the right of the central bright fringe in the double-slit interference pattern seen on a screen 4 m from the slits? The slits are separated by 0.2 mm and are illuminated with monochromatic light of wavelength 597n..
A 20.0-m -long uniform beam weighing 640 N rests on walls A and B. Find the forces that the walls A and B exert on the beam when the person is standing at a point 3.3 m to the right of B.
A 10cm x 10 cm x 10cm block of steel (steel = 7900 kg/m3) is suspended from a spring scale. The scale is in Newton’s. What is the scale reading if the block is in air? What is the scale reading after the block has been lowered into a beaker of water ..
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