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Vector F= 3xi + 5j + 5z^2k. How much work is done in moving from r0=(0,0,0) to r1=(3,2,1)? If the object has a mass of 3kg and the work changes the kinetic energy, how fast will the object be going?
A 13.6 kg object on a horizontal frictionless surface is attached to a spring with k = 519 N/m. find the initial potential energy of the block-spring system
n object of mass "m" specific heat "Cp" & surface area "As" is initially at a temperature "To". Rate of Heat gained by Object = Rate of Heat Lost by Gas m, Cp, h, A & Tg are all constants.
A viewing window on the side of a large tank at a public aquarium measures 32 in. by 37 in. The average gauge pressure from the water is 6 psi
At t=0 a grinding wheel has an angular velocity of 20.0 rad/s. It has the constant angular acceleration of 29.0 rad/s^2 until a circuit breaker trips at time t = 2.20 s. From then on, it turns through an angle 435 rad as it coasts to a stop at cons..
Moment of inertia Wheel If you lift the front wheel of a poorly maintained bicycle off the ground and then start it spinning at 0.72rev/s, what is the magnitude of the frictional torque
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. what is the length (in m) of the fiber
During a stage production of Peter Pan, the 53.5 kg actress playing Peter has to fly in vertically (descend). To be in time with the music, compute the tension in the wire supporting the actor
A plane sinusoidal electromagnetic wave has a magnetic field amplitude of 5.00 x 10^-5 T. What is the electric field amplitude of the wave
A Carnot engine operates between 27C and 927C and preforms 4800 J of work. Calculate the net entropy change during one cycle
A 5 kg block, measuring 10 cm per side, is held 50% submerged in water by a helium balloon. what is the diameter of the balloon
A physical pendulum is composed of a 1.4 m rod with mass mr = 0.5 kg and a solid sphere with mass ms = 2.0 kg, What is the angular frequency of the oscillation
The loaded cab of an elevator has a mass of 3.7 x 10^3 kg and moves 228 m up the shaft in 21 s at constant speed. At what average rate does the force from the cable do work on the cab.
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