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A spool of thin wire pivots on a frictionless shaft. The wire is pulled by a hanging mass M of 1.30 kg. Calculate the magnitude of linear acceleration of the mass M. Icm = 0.665 kgm2 Inner radius, r
What is the magnetic field strength on the surface of the earth at the earth's north magnetic pole? You can assume that the current loop is deep inside the earth.
The work done in accelerating a flywheel from rest to an angular speed of 12.7 revolutions per second is 21.6 kJ. What is the moment of inertia of the flywheel?
What will be the angular velocity when the woman reaches the center? Express your answer in terms of the variables m, M, and w0.
The block starts from rest, and its speed after it has traveled downwards a distance of D= 0.67 m, is 1.228 m/s. Calculate the amount of energy dissipated up to that point.
A uniform solid cylinder (m=0.690 kg, of small radius) is at the top of a similar ramp, which has friction. The cylinder starts from rest and rolls down the ramp without sliding and goes around the
A block of a certain material begins to slide on an inclined plane when the plane is inclined to an angle of 18.26°. If a solid cyclinder is fashioned from the same material, what will be the ma
An oscillating LC circuit has a current amplitude of6.50mA, a potential amplitude of 250 mV, and a capacitance of 245 nF. (a) What is the period of oscillation?
A 730.0 N man, carrying a 1.9 kg physics textbook, stands at the center of a frozen pond of radius 10.0 m. He is unable to get to the other side because of a lack of friction between his shoes and t
A major concern associated with a Main Steam Line pipe break at a PWR is a return to power (even if the reactor scrams and shuts down, it may return to criticality). Explain how this could occur. Wo
A 115 granite cube slides down a 40 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 245 steel cube at rest. How high above the table should the granite
Find the magnitude of the angular acceleration produced given the mass lifted is 10.5 kg at a distance of 28.0 cm from the knee joint, the moment of inertia of the lower leg is 0.900 kg·m2, t
If your biceps attach to your forearm 0.0597 m from the elbow and make an angle of 26.0° with the vertical while a 2.38 kg mass is held in your hand 29.03 cm from the elbow, what force is exerte
When you throw a stone at a glancing angle into the water it skips several times before sinking. Can you increase the number of skips by modifying the angle or velocity at which the stone is thrown?
This muscle in a professional boxer exerts a force of 2519 N with an effective perpendicular lever arm of 3.95 cm, producing an angular acceleration of the forearm of 110.0 rad / s2. What is the mom
Find the moment of inertia of this system, consisting of the platform and its population, with respect to the axis.
If the wire had moved perpendicular to the earth's magnetic field, what would have been the motional emf generated between the ends of the wire?
The vertical axis scale is set by Ts= 34.5 ns, and the horizontal axis scale is set by Bs-1= 4.0 T-1. What is the ratio m/q of the particle's mass to the magnitude of its charge?
What distance do you predict for the distance from the central spot to the third minimum in intensity (in cm).
What fraction of the generated power is delivered to the starter? Will this car be always able to start if it takes 1000 Watts of power to turn the engine over in winter condition?
Calculate the theoretical phase difference (in degrees) between the current CPA and voltage VPB if the circuit is driven by a sinusoidal voltage source with a peak amplitude of 4.6 V at the followin
The height of the outer wall is 18 m. Find (a) the smallest and (b) the largest speed at which cars can move on this track without relying on friction. (c) If race car one is travelling at 70 mph an
What would be the maximum speed of a 730 kg race car that can go around an unbanked turn without slipping.
What is the average net force (magnitude and direction) exerted on the ball by the cushion?
The maximum acceleration that the plane can have without the cup sliding backwards on the table is 2.94 m/s2. Belgium's HSL-1 train has a top speed of 186 mph. If the train stopped suddenly, how lon