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1. A 1663.22 lbs. go-cart and driver rounds a curve. If the centripetal force on the go-cart and driver is 1000 lbs. The go-cart is traveling at 30mph. What is the radius of the curve?
2. A spring is stretched 5.0 cm by a 250 gram mass. What would the magnitude of the force have to be to stretch the spring 20 cm?
Consider a region of space with volume 80 mm3. Suppose the energy stored in the electric field of that particular region of space is 35 J. What is the average electric field strength in this region?
The expected and the actual rate of return on plan assets for 20X9 was 10%. There are not other components of Loch's pension expense. Illustrate what amount should Loch report in its December 31, 20X9 balance sheet as prepaid pension cost?
A proton moves perpendicularly to a uniform magnetic ?eld B with a speed of 1.9 × 10 ^7 m/s and experiences an acceleration of 8 × 10 12 m/s 2 in the positive x direction when its velocity is in the positive z direction. The mass of a proton is 1...
A high-voltage transmission line with a resistance of 0.30 /km carries a current of 1050 A, What is the power loss due to resistance in the line
The men's world record for the shot put, 23.12 m, was set by Randy Barnes of the United States on May 20; 1990.If the shot was launched from 6 ft above the ground at an initial angle of 42degrees, what was its initial speed.
A single strand of wire of adjustable length is wound around the circumference of a round balloon that has a diameter of 25.0 cm, what is the magnitude of the average value of the emf induced in the loop
A 2-kg book with no initial velocity slides down an inclined plane with an angle of 20 degrees a total of 2 meters. The force of friction does 10 Joules of work, what is the final kinetic energy of the system as the book reaches the bottom of the ..
When the galvanometer in a wheatstone bridge circuit shows no deflection, explain why are the voltages across opposite branches on each side of the galvanometer necessarily equal?
A ladder of length L = 2.5 m and mass m = 15 kg rests on a floor with coefficient of static friction ?s = 0.57. Assume the wall is frictionless. What is the normal force the floor exerts on the ladder
What is the electric potential energy of the system.
The potential at location A is 393 V. A positively charged particle is released there from rest and arrives at location B with a speed vB. The potential at location C is 781 V, and when released from rest from this spot, the particle arrives at B wit..
The electricity received at an electric substation has a potential difference of 2.80 10^5V. If the requires output is 440V, what must be the ratio of the turns of the step-down transformation.
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