Determine the time needed for the load at B to attain a speed of 8 m/s, starting from rest, if the cable is drawn into the motor with an acceleration of 3 m/s?. Note that point A moves to the right, so this will require both a vertical and horizontal datum. A C B
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- Write down an expression for the net force along the (tangentially to) arc of motion on a simple pendulum made of a metal rod of the length / and the massim carrying the current /. The rod is suspended by the middle on a weightless wire of the length L in the magnetic field B and the gravitational field g perpendicular to the rod (see picture below). Please use "*" (without the quotes) for products (e.g. B*A), "/" for ratios (e.g. B/A) and the usual "+" and "-" signs as appropriate. For exponents (e.g. A²) use A*A or A^2 notation: thus A³/B should appear as either A*A*A/B or A^3/B. For greek letters use "theta" (without the quotes) and for trigonometric functions use "cos", "tan", "sin" (without the quotes). Thus for Acose use A*cos theta. Please use the "Display response" button to check you entered the answer you expect. Side view /////// I 1 Top view Ө are of motion ا لا لا لاSuppose that there is a magnetic field B Cartesian coordinate system with ê x ŷ = î. For all the discussions below, ignore the units. = 3xî filling a 3D space. The coordinates are set up as a a) Find the expression for the magnetic force on a positive charge +Q that is located at 7 = (2,1, –1) and moving at velocity i = (2,3,1) b) In this magnetic field, is it possible for any particle to move along a circular path? If so, indicate the conditions for the position and the velocity of the particle; If not, briefly explain your reasons.A toroid is a solenoid bent into the shape of a doughnut. It looks similar to a toy Slinky® with ends joined to make a circle. Consider a toroid consisting of N turns of a single wire with current I flowing through it. (Figure 1) Consider the toroid to be lying in the re plane of a cylindrical coordinate system, with the z axis along the axis of the toroid (pointing out of the screen). Let represent the angular position around the toroid, and let r be the distance from the axis of the toroid. For now, treat the toroid as ideal; that is, ignore the component of the current in the direction. Figure 00 Ampèrean loop (a) 1 of 1 (b) Part A The magnitude of the magnetic field inside the toroid varies as a function of which parameters? ► View Available Hint(s) r only 0 only both r and Submit Part B Complete previous part(s) Part C Complete previous part(s) Part D In an ideal toroid, current would flow only in the and directions. The magnetic field in the central plane, outside of the coils of…
- Just need help with part BFor problem 14 of the text calculate the velocity in m/s using a Hall voltage of 4.49 microvolts. (5 sig figs)part A For a particle of mass mmm and charge qqq moving in a circular path in a magnetic field BBB, find how does its kinetic energy depend on the radius of the curvature of its path r. part B Find angular momentum of a particle about the center of the circle. Express your answer in terms of the variables q, B, and r.
- Write down an expression for the net force along the (tangentially to) arc of motion on a simple pendulum made of a metal rod of the length l and the mass m carrying the current I . The rod is suspended by the middle on a weightless wire of the length L in the magnetic field B and the gravitational field g perpendicular to the rod (see picture below).Consider the situation below in which a current carrying coil (loop) is situated in a magnetic field. The plane of the coil is perpendicular to the magnetic field, and an electric current is run in the direction indicated. What is true regarding to the forces on the coil? TB i There will be a torque on the coil that will push the lower coil segment inward (into the page) and the upper segment outwards (out of the page) There will be a torque on the coil that will push the upper coil segment inward (into the page) and the lower segment outwards (out of the page) In this situation, there will be no forces or torque on the coil The net force will be to the left, causing the loop to move left (in towards the B- field)ANSWER ALL QUESTIONS BELOW FOR A THUMBS UP
- helpAs shown below, a positively charged particle is immersed in a B-field and as a result is moving COUNTERCLOCKWISE in a circle. Determine the direction of the B-field & the magnetic force. Assume VLB and that there are no other forces acting on the particle. A.) For the moment shown, determine the directions of the following vectors. Direction of V: Choose direction ✓ Direction of FB: [Choose direction Direction of B: Choose direction B.) Determine the magnitude of the particle's tangential acceleration. atan = C.) Based on your answers to (A) & (B), determine how the particle's speed & KE will behave while it is in the B-field. Also determine how much work the magnetic force will do on the particle. The particle's speed will --- Choose -- The particle's KE will - Choose --- Work done by the magnetic force =how to compute for R(ab) if R1 = 50Ω, R2 = 75Ω, and R3 = 100Ω. please show the full solution.