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A sphere of radius 20.0cm and mass 1.80 kg starts from rest and rolls without slippingdown a 30.0º incline that is 10.0 m long.
(a) Calculate its translational and rotational speeds when it reaches the bottom.
(b) What is the ratio of translational to rotational KE at the bottom?Avoid putting in numbers until the end so you can answer:
(c) doyour answers in (a) and (b) depend on the radius of the sphere orits mass?
Two 10.0 cm -diameter electrodes 0.52 cm apart form a parallel-plate capacitor. What is the electric field strength inside the capacitor after insulating handles are used to pull the electrodes away from each other until they are 1.3 cm apart
Illustrate what is the average emf that is induced in this coil if it is in a region where B=2.0 T upward, and the coil's plane is perpendicular to B?
If 200 J of heat is removed from a hot reservoir at 800 K by an engine cycle, what is the minimum amount of heat that the cycle must dump into a cold reservoir at 300 K
A stuntman sitting on a tree limb wishes to drop vertically onto a horse galloping under the tree. The constant speed of the horse is 10.0 m/s, How long is he in the air
A 5.0×10?2 kg arrow hits the target at 25 m/s and penetrates 3.8cm before stopping. What average force did the target exert on the arrow
Two slits spaced 0.280mm apart are placed 0.640m from a screen and illuminated by coherent light with a wavelength of 680nm. What is the distance on the screen from the center of the central maximum to the first minimum
A person walks first at a constant speed of 4.80 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 3.30 m/s. What is her average speed over the entire trip?
Electrons are accelerated through a voltage difference of 160 kV inside a high voltage accelerator tube. What is the final kinetic energy of the electrons?
q1. a steel paper clip is bent by a force of 10.2 n exerted on it through a distance of 4.85 cm. by how much does
Find out the angle of flint glass prism which should be combined with a crown glass prism of 5 degree so as to give dispersion but no deviation
As the fragment falls through the atmosphere, it is heated and some of the material is vaporized. Explain how you could determine the composition of this hot vaporized material from the light it emits.
The earth's magnetic field, with a magnetic dipole moment of 8.0×10^22 A*m^2 , is generated by currents within the molten iron of the earth's outer core. What is the current in the current loop
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