1a. 1b. 1c. A particle is to move in an xy plane, clockwise around the origin...
In the figure here, a solid brass ball of mass 0.298 g will roll smoothly along a loop-the-loop track when released from rest along the straight section. The circular loop has radius R = 0.19 m, and the ball has radius r << R. (a) What is h if the ball is on the verge of leaving the track when it reaches the top of the loop? (b) If the ball is released at height h = 7R, what is...
1a. 1b. 1c. Block A slides down the incline In the figure, two blocks are connected over a pulley. The mass of block A is me and the coeffcient of kinetic friction between A and the incline is in Angle of the incline is 6 at constant speed. What is the mass of block B? Express your answer in terms of the variables given. Frictionless, massless pulley B In the figure, a small block of mass m = 0.021 kg...
A particle is to move in an xy plane, clockwise around the origin as seen from the positive side of the z axis. In unit-vector notation, what torque acts on the particle at time t = 9.1 s if the magnitude of its angular momentum about the origin is (a)3.2 kg·m2/s, (b)3.2t2 kg·m2/s3, (c)3.2t1/2 kg·m2/s3/2, and (d)3.2/t2 kg·m2*s?
1a. 1b. 1c. A uniform solid ball rolls smoothly along a floor, then up a ramp inclined at 24.1. It momentarily stops when it has rolled 2.40 m along the ramp. What was its initial speed? NumberT4.38 Unitsm's A certain gyroscope consists of a uniform disk with a 33.0 cm radius mounted at the center of an axle that is 11.0 cm long and of negligible mass. The axle is horizontal and supported at one end. If the disk is...
1a. 1b. 1c. 1d. In the figure, a small block of mass m is released from rest and slides down a frictionless surface through heighth and then sticks to a uniform vertical rod of mass M and length d. The rod pivots about point o through angle before momentarily stopping. Find e in terms of the variables given and g. Ar In the figure, a small 0.372 kg block slides down a frictionless surface through height h = 0.918 m...
1a. 1b. 1c. A single conservative force = (AX - B) N, where x is in meters, and A and B are positive constants, acts on a particle moving along an x axis. The potential energy U associated with this force is assigned a value of 0 at x = 0. (a) Write an expression for the potential energy associated with this force. (b) What is the maximum positive value of the potential energy? In the figure, a block of...
Two objects are moving in the xy-plane. Object A has a mass of 3.2 kg and has a velocity vA = < 2.3 m/s, 4.2 m/s > and object B has a mass of 2.9 kg and has a velocity vB = < -1.8 m/s, 2.7 m/s > . What is the total momentum of the system? A uniform sphere of radius 2R has a spherical cavity of radius R cut out of it. The center of the cavity is...
A positive charge q1=2*10^-9 C is held fixed at the origin. A small particle with mass m=.004 kg and a negative charge q2=-5*10^-9 C is placed on the x-axis at point A, which is at x=.5m. The particle is released from rest and moves along the x-axis towards the origin. What is the speed of the particle when it reaches point B, which is at x=.3 m? Answer is .00775 m/s Please show work on how to get here
Consider a uniformly charged ring in the xy plane, centered at the origin. The ring has radius a and positive charge q distributed evenly along its circumference. PartAWhat is the direction of the electric fieldat any point on the z axis?parallel to the x axisparallel to the y axisparallel to the z axisin a circle parallel to the xy planePartBWhat is the magnitude of the electric fieldalong the positive z axis?Use k in your answer, where .E(z) =PartCImagine a small metal ball of mass m and negative charge -q0. The ball is released...
1. 2. 6. 4. Vectors A and B lie in an xy plane. A has magnitude 5.2 and angle 121°; B has components B - -8.80 and By - -5.09. (a) What is 5A-B ? what is 4A x 38 in unit-vector notation ((b), (c) and (d) for i , j and k components respectively)? (e) what is the angle between the directions of A and 4A x 38 7 what is A + 3.00k in unit-vector notation (), (a)...