Physics question and answers for September 15, 2023
- Q An electron that has an energy of approximately 3.0e+02 eV movesbetween rigid walls 0.6 nm apart.(a) Find the quantum number n for the energy state thatthe electron occupies._____________(b) Find the...
- Q a.)A 9 m ladder whose weight is 417 N is placed against a smoothvertical wall. A person whose weight is 846 N stands on the laddera distance 3.4 m up...
- Q Some people are able to spin a basketball on the tip of afinger. It is often done by balancing the ball on the tip of thefinger and brushing the other...
- Q coil has 30 turns and carries current. The cross sectional areaof the coil is 7.5cm. At a point located on the axis of the coil ata distance 1.5m, the magnetic...
- Q 2 chainz
- Q When the tail light of a car is turned on, 0.5 A flows throughthe wires. The length of one wire from the battery to the taillight is 5.0 meters.Estimate how...
- Q A spring contains a weight of 32 lbs. It is stretched to adistance of 1.6 ft and iscurrently at rest. The damping force is 9 ˙x and an external forceof...
- Q A 2.8kg balloon is filled with helium ( density = 0.179 kg/m 3).Part AIf the balloon is a sphere with a radius of 5.1m , what is themaximum weight it...
- Q At 3:00 the hour hand and the minute hand of a clock point indirections that are 90° apart. What is the first time after 3:00that the angle between the two...
- Q 1. A 4 kg mass is resting on a ramp inclined at an angle of 30degrees with respect to the horizontal. A string is attached to the4 kg mass and...
- Q A mass of 11.0 kg , fastened tothe end of an aluminum wire with an unstretched length of 0.47 m ,is whirled in a vertical circle with a constant angular...
- Q December 21, 2012: Are we all going to die?Section: ____________ Written by: Jeremy JonesOver the past few years, websites, books, and even a bigblockbuster movie have popped up concerning the...
- Q A uniform cylinder of radius 11 cm and mass 24 kg is mounted soas to rotate freely about a horizontal axis that is parallel to and4.6 cm from the central...
- Q The index of refraction for violet light in silica flint glassis 1.66, and that for red light is 1.62. What is the angular spreadof visible light passing through a prism...
- Q According to the Guinness Book of World Records, thelongest home run ever measured was hit by Roy
- Q 2.) Explain why a star ceases to contract when the deBroglie wavelength of its electrons approximately equals the average distance between electrons.
- Q A 65 kg woman stands at the rim of a horizontal turntable havinga moment of inertia of 520 kg·m2 and a radius of 2.0 m.The turntable is initially at rest...
- Q A stone is dropped into a river from a bridge 43.0 m above thewater. Another stone is thrown vertically down 1.44 s after thefirst is dropped. Both stones strike the...
- Q A taut string of density p and length b isfixed at both ends. At a distance 3b/7 from the origin itis pulled up by an amount h, and at a...
- Q In a nuclear reactor, a neutron moving at speed v inthe positive x-direction strikes a deuteron, which is atrest. The neutron is deflected by 90.0
- Q Consider the radioactivity experiment, where you will use diceto simulate radioactive decay. Show your analysis where applicable.You must include appropriate explanation and analysis to gain fullmarks.What is the probability of...
- Q A 2.0 kg block sits on a 4.0 kg block that is on a frictionlesstable. The coefficients of friction between the blocks are µs =0.80 and µk = 0.20.(a) What...
- Q The single most important use of the element gold is for wiresthat join integrated circuits to the conducting pads that thenconnect microelectronic chips with external circuitry. A typicalapplication uses gold...
- Q 1. A stone is thrown upward from a tower with initial velocityof 3 m/s. Height of tower is 50 m above the ground.What would be its position after 3.4 secs?What...
- Q 98Mo(3He,d)99Tc is the processused to produce the Tc isotope.Calculate the Q-Value to three decimal places.Calculate the maximum kinetic energy of the deuterium populatingthe ground state of TcCalculate the maximum kinetic...
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