Physics question and answers for August 17, 2023
- Q 1. A mass weighing 10 lbs. is attached to a spring suspendedfrom the ceiling. The mass will stretch the spring 6 inches. If themass is pulled 5 inches below its...
- Q 1) Does the fact that the speed of light is a definite,predictable quantity conflict with the uncertainty relations?2) How could you tell if electrons in very distant galaxies obeythe Pauli...
- Q The speed of light 3 × 108 m / s, can be expressed interms of other fundamental constants relating to electricity andmagnetism. Give this algebraic expression and briefly explain whereit...
- Q The 1.0 kg block in the figure is tied to the wall with a rope.It sits on top of the 2.0 kg block. The lower block is pulled tothe right...
- Q The figure shows an 8.5 kg stone at rest on a spring. The springis compressed 11 cm by the stone. (a) What is the spring constant?(b) The stone is pushed...
- Q Physics Hang GliderYou are flying a hang glider at 14 mph in the northeastdirection (45°). The wind is blowing at 4 mph from due north.a) What is your airspeed?b) What...
- Q Describe the different ways that radioactivity is used tomeasure the ages of different objects. Give as much detail as youcan. Include such things as what is meant by the “ageâ€...
- Q A UPS worker places a 5.00 kg package at the top of a smoothramp 2.60 m above the horizontal and gives the package an initialvelocity of 4.25 m/s as it...
- Q A spherical charge distribution of radius R has a charge Qdistributed uniformly over its volume. Find the magnitude of theelectric field E(r) and the electric potential V (r) for all...
- Q An object is placed 22.7 cm to the left of a diverging lens (f =-13.0 cm). A concave mirror (f = 9.99 cm) is placed 29.9 cm to theright of...
- Q A 12,000 N car starts from rest and rolls down a hill from aheight of 10.0 m (see figure). It then moves across a level surfaceand collides with a light...
- Q solve & explain pleaseIf an electron is accelerated from 2 mm/s through a potentialdifference of 500 V between two parallel plates separated by adistance of 2.0 cm. What is the...
- Q In the figure, we must apply a force of magnitude 82.0 N to holdthe block stationary at x = -2.00 cm. From that position, we thenslowly move the block so...
- Q A 50 kg teenager just got his license and is driving his brandnew Escalade (mass 1100 kg) at 30 m/s. As he is texting anddriving, he crashes into a stopped...
- Q A proton in an atomic nucleus is bound to other protons andneutrons in the nucleus by the strong nuclear force when it iswithin approximately 3 fm of another particle. What...
- Q In this section we will study the problem of gender-wagediscrimination. It is often argued that women are paid less thanequally qualified men to do the same job. This is also...
- Q Which of the following statements are correct?A. All oscillatory motion is Simple Harmonic Motion.B. Simple Harmonic motion is a special case of oscillatorymotion.C. Oscillatory motion is a special case of...
- Q An electrically neutral penny is charged by induction to +5.5LaTeX: \muμC. After charging, is the penny now more massive or lessmassive, and what is its change in mass? Group of...
- Q Monica and Dylan are doing a “thought experimentâ€. Theyare imagining that Monica is in a space ship orbiting a black hole,just outside the event horizon, while Dylan is in a...
- Q Two blocks connected by a string are pushed across ahorizontalisurface by a force applied to one of the blocks as,shown in the figure. The coefficient of kinetic friction betweenthe blocks...
- Q Question 1 Part AIf at a certain point in time the displacement is positive foran object moving under simple harmonic motion, what is the sign ofits acceleration?A.Depends if the object...
- Q Two air track gliders of mass 400.0 g and 300.0 g are movingtowards each other in opposite directions with speeds of 60.0 cm/sand 100.0 cm/s, respectively. Take the direction of...
- Q a) How is charge transferred in the process offriction?b) How is charge transferred in the process of directcontact?c) How is charge transferred in the process ofinductance?d) How can a charged...
- Q In an (AC) RLC circuit, does the what is the order ofobstruction? Does the inductor, capacitor, or resistor obstructfirst? and last? And what are each of them obstructing ( change...
- Q if a galaxy is tilted 45 degrees to my line of sight then howmuch does the wavelength of 21 cm shift when you move from thecenter to the edge of...
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