Q#1 (a)(i)A thermal neutron has a speed v at temperature T = 300 K and kinetic energy m- 3 KT Calculate its deBroglie wavelength. State whether a beam of these neutrons could be diffracted by a crystal, and why?
Q: At resonance air column of length 20cm resonates with a tuning fork of frequency 450Hz. Ignoring end...
A: D
Q: The total energy of a particle executing simple harmonic motion is ___________ a) ∝x b) ∝x2 c) Indep...
A: C
Q: From the slope .008783, determine the value of the permittivity of free space εo and determine the p...
A:
Q: Two vibrating springs of the same material but lengths L and 2L have radii 2r and r respectively. Th...
A: D
Q: Time period of a simple pendulum will be double if we ___________ a) Decrease the length 2 times b) ...
A: D
Q: need assistance with this problem a-c
A:
Q: Determine the moment of the force System shown in with and A" Fig respect to points o 100 享 300 A 30...
A:
Q: A closed organ pipe and an open pipe of the same length produce four beats per second when sounded t...
A: Option
Q: Every simple harmonic motion is periodic motion, but every periodic motion need not be simple harmon...
A: Given: To find whether the statement is true or false as,
Q: A ring of charge is centered at the origin in the vertical direction. The ring has a charge density ...
A: As derivation is not asked we can write the expression for electric field at the axis of a charge ri...
Q: 6. The magnitude of the x-component of a unit vector at the point (1, 1) that is normal to $(r) = wh...
A: The electric field can be written as,
Q: If a simple harmonic oscillator has got a displacement of 0.02m and acceleration equal to 2m/s2 at a...
A: A
Q: When is ultrasonic waves produced using piezo electric oscillator? a) At constant temperature b) At ...
A: B
Q: P3
A:
Q: Sir Lost-a-Lot dons his armor and sets out from the castle on his trusty steed (Fig. P12.11). Usuall...
A: for given problem free body diagram of system can be as shown in figure Given: weight of bridge ...
Q: When the system shown is released from rest, block A requires a velocity of 2 m/s after moving 1m up...
A: (a) Let T be defined as the force exerted by the rope on each block. Therefore, T=2m1m2m1+m2g
Q: Suppose a soccer player kicks the ball from a distance 31 m toward the goal. Find the initial speed ...
A: Projectile Motion A projectile is an object that is thrown without any fuel. Usually, a projectile i...
Q: A simple pendulum has a time period T1, when on the earth’s surface; and T2, when taken to a height ...
A: D
Q: Natural length of spring is 60 cm and its spring constant is 4000 N/m. A mass of 20 kg is hung from ...
A: A
Q: Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact ...
A: Given that the drivers of equal masses(m=73kg) are moving with opposite velocities, one in 800kg and...
Q: A neutral metal block is located near two balls which have equal positive charges, as shown in the d...
A: As the metal block is neutral, which means it has no charge on it,the presence of the two positive c...
Q: A transverse sinusoidal wave on a string has a period T = 15.0 ms and travels in the negative x dire...
A:
Q: A scale in the elevator’s floor measures the weight of the passengers, and it has the correct value ...
A: An elevator machine shows the Normal force as the reading of the weight. mass of passanger m = 572kg...
Q: blanks) Calculate the efficiency of the Carnot Engine for ideal gas. Consider the figure below for a...
A: Introduction: A slow process in which the pressure and volume of a system change at a constant tempe...
Q: If the period of oscillation of mass m suspended from a spring is 2s, then the period of mass 4m wil...
A: It is given that the period of oscillation of mass m suspended from a spring is 2 s. The expression ...
Q: A particle executing simple harmonic motion of amplitude 5cm has a maximum speed of 31.4 cm/s. The f...
A: D
Q: What is the average density of the sun? What is the average density of a neutron star with the same ...
A: (a) mass of sun = 1.99*1030 kg radius of sun= 6.96*108 meter volume of sun (assume spherical shape) ...
Q: A mass m is vertically suspended from a spring of negligible mass; the system oscillates with a freq...
A: Answer
Q: My bathroom scales read in kilograms, meaning that, if I put a mass m on top of them, in mechanical ...
A: Given: The force applied to the scale is F = 85 N
Q: In an experiment with sonometer a tuning fork of frequency 256Hz resonates with a length of 25cm and...
A: B
Q: Two simple pendulums of lengths 5m and 20m respectively are given small linear displacement in one d...
A: B
Q: Silicone material at 10^18(cm^3) has an n-type additive and a 10ohm resistance. The sample area is 1...
A: Volume of the sample ,V=1018 cm3 Resistance of the sample, R=10 ohm Sample area,A=10-6 cm2 mobility,...
Q: The orbit of mercury is changing slightly due to the sun’s gravity. a) True b) False
A: True
Q: 2-13. A resultant vertical force of 1750 N is necessary to hold the balloon in place. Resolve this f...
A:
Q: 39) You place two toy cars on a horizontal table and connect them with a light compressed spring as ...
A: This problem can be approached by applying both momentum conservation and energy conservation. A det...
Q: two balls, m1= 2 kg and m2= 5 kg, can slide without friction on a rod. a spring with a rigidity coef...
A: Given: The mass of the ball m1 is 2 kg. The mass of the ball m2 is 5 kg. The initial velocities of t...
Q: The bob of the pendulum moves faster at the lowest position for a larger amplitude. a) True b) False
A: A
Q: A siren emitting sound of frequency 800Hz is going away from a static listener with a speed of 30m/s...
A: A
Q: Which of the following is a simple harmonic motion? a) Particle moving in a circle with uniform spee...
A: B
Q: A tube closed at one end containing air produces a fundamental note of frequency 512Hz. If the tube ...
A: C
Q: A force of 3.6 N acts towards the East on an object with mass m = 2.0 kg, while simultaneously a for...
A: Given: The mass of the object is m = 2 kg The force that acts towards the east is Fx = 3.6 N The for...
Q: Please help answer all subparts, thank you!
A: (i)To find the velocity of an object based on its position versus time graph, all you need to calcul...
Q: In case of a forced vibration, the resonance wave becomes very sharp when the ___________ a) Applied...
A: C
Q: A train moves towards a stationary observer with speed 34m/s. The train sounds a whistle and its fre...
A: B
Q: QI: A piston-cylinder device initially contains 3 kg of air at 5 bar and temperature 27 °C. The air ...
A: Given:- Air mass = 3 kg P1 = 5 barT1 = 27°C = 300 K The air expands...
Q: An object with mass m1 = 1kg moving to the right at a speed of 4m / s collides with a spring attache...
A: Given : Object mass m1 =1kg Initial speed of object v1i = 4 m/s ...
Q: Q1/ Find the center of mass of the fourth square wire as a semicircle, as shown in the figure dl-a d...
A:
Q: If a point charge is located at the centre of a cube and the electric flux through one face of the c...
A:
Q: The maximum velocity of a particle, executing simple harmonic motion with amplitude 7mm, is 4.4m/s. ...
A: A
Q: If equation of a sound wave is y=0.0015sin(62.8x+314t) Then its wavelength will be __________ a) 0....
A: Consider the general equation of a sound wave, y = Asinkx + ωt where, A is the amplitude of the wave...
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
