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A ball (thin spherical shell)of mass m and radius Rand a very small lead marble (much smaller radius thanthe ball, so it can be treated as a point particle) of massM rolls moothly down an incline. The angle of the incline is µ. Note that theirinitial and ¯nal contact points have the samedi®erence in height,h.Rotational inertia of a spherical shell is Icom = 2/3 mR2 =betamR2.
a) Which object will come¯rst to the bottom of the incline and why?b) Find the di®erence intheir speeds at the bottom of the incline, in terms of m;M; h; µ; g, and numerical constants as needed.c) Find the di®erence intime when they reach the bottom, in terms of m;M; h; µ;g, and numerical constants as needed.
Two 4.0 cm -diameter disks face each other, 1.5 mm apart. They are charged to +/- 13 nC. 1) What is the electric field strength between the disks?
A sled starts up an incline of 350 with the horizontal. The sled starts from the bottom with an initial velocity of 5 m/s. (a) How far u p the incline does it go? A second sled starts to slide from the top when the first sled starts to slide down...
Light is incident on a slit 0.750 mm wide. On a screen 2.00 m away, the distance from the central maximum to the first minimum is 1.35 mm. compute the wavelength of the light.
Calculate the wavelength of light in vacuum that has a frequency of 7.8 108 Hz. and What is its wavelength in carbon tetrachloride
a virtual image is located 53.5cm behind a concave mirror with focal length 20.0cm .a. where is the distance from the
A parachutist and her parachuting equipment have the combined mass of 121 kg. Her terminal velocity is 5.30 m/s with the parachute open. Her parachute has a cross-sectional area of 35.80 m^2. The density of air at that altitude is 1.23kg/m^3. What is..
A cubic box of volume 3.7 multiplied by 10-2m3 is filled with air at atmospheric pressure at20°C. What is the net force on each side of the box
It's nighttime, and you've dropped your goggles into a swimming pool that is 3.0m deep. If you hold a laser pointer 1.2m above the edge of the pool, How far are the goggles from the edge of the pool
A woman inside an elevator is standing on a scale. Before the elevation it starts moving the scale shows 50 kg, calculate the acceleration of the elevator if when it starts moving upward the scale reads 70kg. What will the reading of the scale be ..
a top view of a bar that can slide on two frictionless rails. The resistor is R = 6.20 ?,and a 2.50-T magnetic field is directed perpendicularly downward, At what rate is energy delivered to the resistor
at 20 deg c an alum ring has an inner diameter of 5.000 cm and a brass rod has a diameter of 5.050 cm. a if only the
a 55 g particle is moving to the left at 11 ms. how much work must be done on the particle to cause it to move to the
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