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Small wheels attached to the ends of rod AB roll along two surfaces. Knowing that at the instant shown the velocity vA of wheel A is 4.5 ft/s to the right and the relative velocity vB/A of wheel B with respect to wheel A is perpendicular to rod AB, determine
(a) The relative velocity vB/A,
(b) The velocity vB of wheelB.
A single electron orbits a lithium nucleus that contains three protons (+3e). The radius of the orbit is 2.20 × 10-11 m. Determine the kinetic energy of the electron.
a ferris wheel has a radius of 11.0 m and rotates once every 11 s, what is the force of the chair seat on you
Given: Mearth = 5.98 × 1024 kg Rearth = 6.37 × 106 m A satellite of mass 649 kg is in a circular or- bit at an altitude of 564 km above the earth’s surface. Because of air friction, the satellite eventually is brought to the earth’s surface, it hi..
A small piece of dust (mass=1.8 \(\mu\)\ g) travels horizontally through an electric air cleaner in which the electric field is 524 N/C. What is the charge on the dust particle
A 12.6 V battery is in a circuit with a 30.0 mH inductor and a 0.150 resistor, as in Active Figure 20.27. The switch is closed at t = 0. Find the current after one time constant has elapsed
what was (a) the negative charge in coulombs on one of them and (b) the positive charge in coulombs on the other.
A potter's wheel moves from rest to an angular speed of 0.25 rev/s in 34 second. Obtain its angular acceleration in radians per second per second
identical point charges of 3.0e-6c are fixed to 3 of the 4 corners of a square. what is the magnitude q of the negative
Two point charges are on the y-axis. A 2.5 µC charge is located at y = 1.45 cm, and a -2.30 µC charge is located at y = -1.20 cm. Discover the total electric potential at the origin.
If the surface of the water is calm and the pool is h = 1.52 m deep, find out the minimum diameter of the raft that would prevent the diamond from being seen.
A) Assuming that the Styrofoam absorbs a negligibly small amount of heat and that no heat was lost to the surroundings, what is the specific heat of the metal? B) Which is more useful for storing heat, this metal or an equal weight of water? defin..
A 3 centimeter radius 120-turn coil of 12.5 ohm resistance rotates about a diameter in a uniform magnetic field of 0.13 T. find how much charge would it record when the coil is flipped
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