A body is acted upon by a constant torque. In 4 second its angular momentum changes from L to 4L. The magnitude of the torque is..... (a)L/4 (b)3L/4 (c)3L (d)12L
Q: h the figure, two particles, each with mass m = 0.79 kg, are fastened to each other, and to a…
A:
Q: The position of a 2.0-kg block is given by r(t)=0.5cos(@t)î +0.5sin(at) ĵ+ 0.75k with 0-12 rad/s.…
A: The angular momentum of a body is defined by the equation, L→=m(r→×v→)…
Q: Two particles of masses M1=2Kg and M2=3Kg are attached to the ends of a 2.4 meter long light…
A: Answer:- A) L=86.4kgm^2/s Option A is correct Answer.
Q: Figure gives the torque (7) that acts on an initially stationary disk that can rotate about its…
A: Given: t=20sec.we know that Torque, τ→=dL→dt ∀ L=Angular momentum or…
Q: A sanding disk with rotational inertia 8.7 x 10-3 kg·m2 is attached to an electric drill whose motor…
A: Given that,Moment of inertia of the disk=8.7×10-3 kg m2Magnitude of torque, τ=23 N-mtime=23msAngular…
Q: Paikot. A solid sphere of mass m = 3.5[kg], and radius r = 2.5[m] rolls without slipping on a flat…
A:
Q: A) 8 rad/s2 (B) 10 rad/s- The second's hand of a watch has(6 cm length. The speed of its tin and…
A: Given, length of second's hand of a watch is, r = 6 cm Since it is second's hand so its time period…
Q: A uniform solid disk of mass m = 2.91 kg and radius r = 0.200 m rotates about a fixed axis…
A:
Q: Two particles, each of mass 3.39 × 10-4 kg and speed 4.32 m/s, travel in opposite directions along…
A: Given: particle 1, m1= 3.39×10-4 kg speed, v1=4.32 m/s particle 2, m2=3.39×10-4 kg speed, v2=4.32…
Q: 1. A particle with mass 4 kg moves in a circle of radius 4 m. The angular momentum of the particle…
A:
Q: Mars has a mass 0.642 x 1024 kg and a radius of 1700. kg. On average, it is 228 x 106 km from the…
A:
Q: 2.0 kg particle P has a position vector r of magnitude 3.0 m and angle θ1=45º and a velocity vector…
A:
Q: (d) What are the astronauts' new speeds? 9.8 How is the speed of the astronauts related to the final…
A: Since you have posted a question with multiple sub-parts, we will solve the last three sub-parts for…
Q: a constant Ex. 61 A body is acted upon by torque. In 4 seconds its angular momentum changes fromL to…
A: To find- Change in magnitude of torque (τ2-τ1)=? Given- Time(t)=4 sec Initial angular momentum…
Q: A7.56 kg toy car moves along an x axis with a velocity given by V=-2.88t i m/s, with t in seconds.…
A: "Since you have posted a question with multiple sub-parts, as per strict guidelines to us we will…
Q: Two astronauts each having a mass of 80 kg, are connected by a 12.0 m rope of negligible mass. They…
A: Note: As per our company guidelines we are supposed to answer only the first 3 subparts. kindly…
Q: When the Sun runs out of nuclear fuel it will collapse into a white dwarf. The present radius of the…
A:
Q: A 2 kg uniform rod with a length of 1 meter lays horizontally atop a frictionless table, hinged…
A:
Q: A 6.22 kg particle with velocity v = (9.72 m/s)î – (8.99 m/s)ĵ is at x = 2.96 m, y = 5.29 m. It is…
A: m = 6.22 kg v→= 9.72 m/si ^ - 8.99 m/sj ^ x = 2.96 m y = 5.29 m r→ = 2.96 mi^ + 5.29 mj^ F = 5.05 N…
Q: A 10.0 kg toy car moves along an x axis with a velocity given by v = -7.89t³ i m/s, with t in…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: Two astronauts as shown, each having a mass of 75.0 kg, are connected by a 10.0-m rope of negligible…
A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…
Q: In the figure, two particles, each with mass m-0.93 kg. are fastened to each other, and to a…
A: Given that, In the figure, two particles, each with mass m =0.93 kg, length d-5.7 cm = 0.057 m and…
Q: A 4.0-kg particle moves in a circle of radius 2.0 m. The angular momentum of the particle varies in…
A: a) The torque will be,
Q: A 6.0 kg particle moves to the right at 4.0 m/s as shown. The magnitude of its angular momentum…
A:
Q: For increasing the angular velocity of a object by 10%, the kinetic energy has to be increased by…
A: We need to compute-Increase in kinetic energy=?The data given as-ω1=Initial angular velocityω2=Final…
Q: Chapter 11, Problem 041 GO The figure shows a rigid structure consisting of a circular hoop of…
A: Given that, The period of rotation of the hoop, t = 1.4 s R = 0.2 m and m = 4.1 kg We need to find…
Q: Two particles of mass 1 kg each are attached to a massless rod a distance of 1 m and 2m respectively…
A:
Q: A 9.81 kg particle with velocity = (1.75 m/s )î – (9.01 m/s )j is at x = 2.77 m, y = 6.88 m. It is…
A: Given data- mass of particle m=9.81 kg velocity v→=1.75 m/si^-9.01 m/sj^ position vector r→=2.77…
Q: A disk of mass M is spinning freely at 6.49 rad/s when a second identical disk, initially not…
A: Given Mass of disk = M Initial angular speed of disk = 6.49 rad/s A second identical disk is…
Q: A disk of mass M is spinning freely at 7.69 rad/s when a second identical disk, initially not…
A:
Q: A sanding disk with rotational inertia 2.7 x 103 kg-m² is attached to an electric drill whose motor…
A:
Q: A uniform solid disk of mass m = 3.08 kg and radius r= 0.200 m rotates about a fixed axis…
A:
Q: Determine the angular momentum Hp of the 4-kg particle about point P.
A: Calculate the perpendicular distance from point P on the line AB. A=2, -1.5, 2B=3, 3, 0P=-1, 1.5,…
Q: wo particles, each of mass 3.21 x 10-4 kg and speed 6.81 m/s, travel in opposite directions along…
A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: An 80 kg man stands at the rim of a 100 kg carousel of radius 2.0m initially at rest. He startS to…
A:
Q: Two astronauts, each having a mass M, are connected by a rope of length d having negligible mass.…
A:
Q: Two astronauts (figure), each having a mass of 70.0 kg, are connected by a d = 11.0-m rope of…
A:
Q: A sanding disk with rotational inertia 5.9 x 10³ kg⋅m² is attached to an electric drill whose motor…
A: Angular momentum: A property known as angular momentum describes the rotating inertia of an object…
Q: A 7.62 kg particle with velocity = (9.74 m/s )î - (2.04 m/s ) Ĵ is at x = 3.16 m, y = 9.00 m. It is…
A:
Q: A par ticle is located at position r=39+7g+4€ m with respect to the origin. It has linear momentum…
A: The position of a particle is, r→=3i^+7j^+4k^ m The linear momentum of the particle is, p→=-i^+9k^…
Q: Q.No.2(b): Using the data of table below, make a plot of final angular momentum (L') against initial…
A: Momentum The ability or propensity of an object in motion to keep going. Linear momentum is the…
Q: The end state of our Sun will most likely be a white dwarf star. It would have about one fourth of…
A:
Q: What is the angular momentum of a solid disk at t=2.5s if its mass is 0.25kg, its radius is 4m, and…
A: The angular acceleration of the disk can be found as, Here, I, τ, and α represent the disk’s moment…
Q: A 10 kg particle moves in the xy plane with a velocity of v = (3.2 î-6.1 j) m/s. Determine the…
A: Given : m = 10 kg v = 3.2i - 6.1j r = 3i + 2.2j
Q: A solid cylinder of mass 4 kg and radius 2 m rotates with constant angular velocity of 5 rad/s about…
A: Given: mass of cylinder, m = 4 kg radius, R = 2 m angular velocity, ω = 5 rad/s
Step by step
Solved in 2 steps