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At an airport a circular luggage belt is shaped like a cone with the top cut off (let theta=15.0 deg.). The radius at the top is 0.500 m and at the very bottom of the cone is 2.50 m. it takes 30.0 seconds to make one rotation.
a. What would the speed of your suitcase be if it was at the top, bottom or right in the middle?
b. Draw a fbd of the forces acting on it. (with friction)
c. Assuming your 30.0 kg suitcase is at rest in the middle of the ramp, what must the net force in the radial direction be?
d. If your suit case is to stay at this position what is the coefficient of static friction?
An optical microscope with a focal length of 1.6 mm can just resolve features on a computer chip that are 400 nm apart when the sample is viewed in air using light with a wavelength of 550 nm. When the sample is submerged in oil with an unknown in..
A pendulum is made of a long narrow stainless steel rod and has aperiod of T seconds at -200.0 degrees C. If the temperatureincreases to +400.0 degrees C, what is the new period?
Find the maximum weight of the sign of the boom has a compressional force of 120 newtons and the cable has a tensional force of 140 newtons? What is the Force of weight of the sigh
If a scuba diver descends also quickly into the sea, the internal pressure on all eardrum remains at atmospheric pressure while the external pressure increases due to the increased water depth. At sufficient depths, the dissimilarity between the exte..
An asteroid is headed towards a starbase. To try and avoid a collision, an explosive device is planted on the asteroid, Does the other piece of the asteroid hit the starbase
A 64 Ω resistor is connected in parallel with a 115 Ω resistor. This parallel group is connected in series with a 20 Ω resistor. The total combination is connected across a 15V battery.(a) Find the current in the 115 Ω resistor.(b) Find the power ..
A coil of wire with 217 circular turns of radius 3.20cm is in a uniform magnetic field along the axis of the coil. The coil has R = 41.5?, calculate the average emf induced in the coil
a space station in the form of a large wheel 77.2 m in diameter rotates to provide an artifical gravity of 5.1 ms2 for
A proton of charge +1.60Ã-10-19 C and mass 1.67Ã-10-27 kg is introduced into a region of B = 0.149 T, What is the radius of the proton's path
A 45.0 kilogram boy, riding a 2.10 kilogram skateboard at a velocity of 5.60 m/s across a level sidewalk, jumps forward to leap over a wall. Find the skateboard's velocity relative to the sidewalk at this instant
a when a 21.00-v battery is connected to the plates of a capacitor it stores a charge of 33.0 microc. what is the value
Cranes utilize a system of two pulleys to provide mechanical advantage, which reduces the force they need to apply to lift a particular weight (two such possible configurations are shown in the figure). A crane is attempting to lift a compact car wit..
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