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An electric field in some region goes as E=15x^2 i N/C. Determine the charge in potential as you move from the orgin to point (2,2,9) m.
There are four answers required for this question. A playground merry-go-round (like a disk) has a mass of 220 kg and a diameter of 4.4 meters is rotating at 30 rpm. What is the rotational kinetic energy of the merry-go-round after the children jum..
A vertical scale on a spring balance reads from 0 to 195 rm{N}. The scale has the length of 11.5 rm{cm} from the 0 to 195 rm{N} reading. A fish hanging from the bottom of spring oscillates vertically at a frequency of 2.30 rm{Hz}. What is the m of..
At launch, the space shuttle's engines offer a thrust of 29 x 10^6N, and it accelerates upward at 1.75 m/s^2. What is the shuttle's mass.
An object is placed in front of a 75 mm lens. The image is real, and has a magnification of magnitude |m|=3. How far away is the object from the lens
The exhaust temperature of a Carnot heat engine is 305°C. What is the intake temperature if the efficiency of the engine is 32%
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.860 m/s encounters a rough horizontal surface of length scripted l = 0.65 m, Find the net work done on the crate while it is on the rough surface
A 18.60 kg piece of zinc at 75 degrees Celsius is placed in a container of water. The water has a mass of 20 kg and has a temperature of 10.10 degrees Celsius before the zinc is added. What is the final temperature of water and zinc.
An electric motor can accelerate a Ferris wheel of moment of inertia I = 19500 kg·m2 from rest to 9.4 rev/min in 12.0 s, Determine the torque generated by the motor to bring the wheel to 9.4 rev/min
Two charges, and are the distance apart. These two charges are free to move but do not because there is a third charge nearby what should be the magnitude of the third charge and its placement in sequence for the first two to be in equilibrium.
A hydrogen atom, initially at rest, emits an ultraviolet photon with a wavelength of = 121 What is the recoil speed of the atom after emitting the photon
A rescue helicopter lifts a 60 kg person straight up by means of a cable. The person has an upward acceleration of 0.70 m/s2, How much work is done by the person's weight
A brave child decides to grab on to an already spinning merry-go-round. What is the moment of inertia of the merry-go-round with respect to its central axis
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