Find commutators [L, L =? (Lz, L tiLy] =? [L, L, ±iL,) =? [P2, L t iLy] =? [2, L, tiLy] =? [L;, L; + L, + L) =?
Q: Select the correct statement: A. Displacement and distance are equals. B. Displacement is always…
A: since displacement is the shortest path.
Q: Average velocity between t=0 and t=2
A: The position of dot at t=0s and t=2s are
Q: 55° T1 T2 15° T3 50 kg
A: The mass of block is m=50kg. Let us break T1 and T2 in horizontal and vertical components. Refer…
Q: An experimental device imparts a force of magnitude F = 41 lb to the front edge of the rim at A to…
A:
Q: A rock is dropped from a very tall tower. If it takes 5.9 s for the rock to reach the ground, what…
A: Time taken for rock to reach the ground, t = 5.9sInitial velocity of rock, u = 0 m/s (As rock is…
Q: B) When t = t, what is the total charge, in units of microcoulomb, accumulated in the capacitor
A: Voltage of battery, ϵ=20V Capacitance of capacitor, C=10μF⇒10×10-6F Resistance of resistor, R=65Ω
Q: Problem #1: A cannonball is fired off a cliff at an angle of 25 degrees with respect to the…
A: Given that: Angle of cannonball fired = 25 degree Height of cliff = 80 m Initial speed of rock = 50…
Q: 2. A sample of rubidium gas of volume 1 x 10-8 cm is cooled until it forms a Bose-Einstein…
A: Solution: Given that, The volume of the rubidium(Rb) gas =1×10-8 m3 We have, Density=…
Q: So what is the answer? After how many seconds does the parachutist will reach the ground? What is…
A: Given:m = 65 kg,g = 9.81 m/sec²,b₁ = 30 N-sec/mTake the equation,dv/dt = (mg - b₁v) / m------(1).In…
Q: A dropped object in free fall _____________. Which best describe the statement? Select one: a.…
A: The object is dropped in a free fall which means acceleration due to gravity is acting all the time…
Q: 2 sin at s wi =
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: ow d
A: Given: mass,m=56.2 kg Height, h=15.6 m
Q: Solve the equation
A:
Q: Find T1, T2 and T3
A:
Q: 4 A floorball player hits the ball then it moves across the floor horizontally in a straight line…
A: Given: a(t) = -2.4tv(0) = 56 m/sx(0) = 56 m/swe have to findv=? , when x=230m
Q: The maximum centripetal acceleration a car can sustain without skidding out of a curved path is 9.40…
A: Given: Maximum centripetal acceleration is 9.40 m/s2. Speed is 40 m/s
Q: Prove that: D2 D t1 E2
A:
Q: c) Q: How can you tell from an x-vs-t graph that you have reversed direction?
A: In a x versus t graph, t that is time is plotted along the x-direction and position x is drawn along…
Q: Rank the speed from slowest to fastest. A A B C D b = 60m r = 20m D B C E
A: Given : distance , b = 60 cm Radius , r = 20 cm Find : Rank speed from slowest to fastest
Q: Consider an RLC circuit, with current i and emf 8 which are plotted as a function of time on the…
A: (1) In series LCR circuit the current and voltage oscillates in between capacitor and inductor…
Q: BB) Force. quantity and it is measured in O a. is not a vector, m Ob. is a vector, N O c. is not a…
A: In this problem. it is asking about to the force.
Q: suitable values for all resistors, keeping in mind the capabilities of a practical operational…
A: from figure,V⊕=0 VoltBy using virtual ground concept,V⊝=V⊕=0 VoltBy using Nodal equation at nodeV⊝=0…
Q: Find the resultant by head-to-tail method: 3. 120° 80 lb 60 lb
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: Write an expression for the length of the rope.
A:
Q: The figure shows a closed surface. Along the flat top face, which has a radius of 1.5 cm, a…
A: Given: The radius of the top surface, r=1.5 cm Magnetic of the top surface, B=0.43 T Flux through…
Q: 1) What is a 'black-body'? 2) What is the characteristic of Black-body radiation? 3) What is the…
A: Note : According to guidelines, we will answer only one question. If you want other question to be…
Q: During take off, an airplane goes from 0 to 50 m/s in 8 s. a) What is its acceleration?
A: Consider the formula for the acceleration is, a=∆v∆t The acceleration is defined change in velocity…
Q: QUESTION 37 Expanding the definition of an industry will reduce the Herfindahl-Hirschman Index for…
A:
Q: Q.3) Please explain Newton's laws of motion.
A: Newton's laws of motion are a set of three laws in classical mechanics, which together establish an…
Q: Analyze the given electical circuit by finding the unknown currents. NOTE: Enter your answers…
A:
Q: Assuming the +x-axis is horizontal to the right for the vectors given in the following figure, use…
A: Given: Vectors A, B, C, D and F We have to find,
Q: Which of the following correctly applies to a projectile In the absence of friction? A. The…
A:
Q: Ayla was playing soccer with her friends when she accidentally kicked the ball over a cliff. m 23…
A:
Q: 14. A skier leaves the top of a smooth slope with an initial speed of 7.00 m/s. Her speed at the…
A:
Q: 1. What is the angular momentum of a particle of mass m, moving in a circle of radius r with an…
A:
Q: C1. You observed a stone falling freely from a cliff. The time it took to fall is 4 s. How high is…
A: When a stone is freely falling from a cliff, the initial velocity of the stone is equal to zero. u=0…
Q: Four small spheres of equal mass m, two with a charge +q, and two uncharged are connected by…
A: Velocity is maximum when electrostatic potential energy is minimum, ie, when the string is straight.
E3
Step by step
Solved in 2 steps with 1 images