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A singly charged positive ion has a mass of 2.65 10-26kg. After being accelerated through a potential difference of266 V, the ion enters a magnetic fieldof 0.510 T, in a directionperpendicular to the field. Calculate the radius of the path of the ion in the field.
Two snowy peaks are 996 m and 896 m above the valley between them. A ski run extends down from the top of the higher peak and then back up to the top of the lower one, At what speed will she arrive at the top of the lower peak
A 3.2 kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. What is the elastic potential energy of the system
A point charge of ?3.3 ?C is located in a uniform electric field of 34 N/C. You move the charge, find the resulting change in the electric potential energy of the system
A woman walks 290 m in the direction 37° east of north, then 177 m directly east. Find (a) the magnitude and (b) the angle (from due east) of her final displacement from the starting point. (c) Find the distance she walks.
An aluminum beam 86 m long and with a cross-sectional area of 0.107 m2 is used as part of a bridge, If the temperature of the beam is increased by 31°C, what is magnitude of the extra force exerted by the beam on one of its supports
A satellite in a circular orbit around the planet Glob-IV has an orbital period of 246 minutes. Find the height of the satellite above the planet's surface
A spring loaded ballistic pendulum gun requires an increasing force to load. When loading a ball of mass 0.054 kg, Calculate the work required to load the gun
A Young's double-slit interference experiment is performed with blue-green argon laser light. The separation between the slits is 0.525 mm, What is the wavelength of argon laser light
Two slits separated by a distance of d = 0.15mm are located at a distance of D = 590mm from a screen. The screen is oriented parallel to the plane of the slits. The slits are illuminated by a coherent light source with a wavelength of lambda = 544E-6..
The resistivity of the body is a good measure of its overall composition. A measure of the resistance of the upper arm is a good way to estimate the percent fat in a person's body. what is the maximum voltage that could be employed
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 nuclear power plant operates at 75% of its maximum (Carnot) efficiency between temperatures of 625 degree C, how much exhaust heat is discharged per hour
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