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A body of mass 4 kg is accelerated upon by a constant force, travels a distance of 5 m in the first second and a distance of 2 m in the third second. The force acting on the body is
(A) 2 N
(B) 4 N
(C) 6N
(D) 8N
brooks city has three consolidated high schools each with a capacity of 1200 students. the school board has partitioned
A 3.7-kg block of iron (c=0.11 kcal/kgoC) that has been brought to a temperature of 1,062oC is placed on top of a 2.5-kg block of ice (c=0.5 kcal/kgoC) that has been cooled to -50oC
During a particular process, the pressure of the gas in a heat engine increases from 1.15×105 Pa to 2.37×105 Pa, What is the work associated with the process
A spring is hung from a ceiling, and an object attached to itslower end stretches the spring by a distance of 5.00 cm from itsunstretched position when the system is in equilibrium. determine the mass of the object
A 35.1 kg girl and a 58.4 kg boy are on the surface of a frozen lake, 14.5 m apart. Calculate the magnitude of the girl's acceleration
A boy whirls a stone in a horizontal circle of radius 1.7 m and at height 2.2 m above ground level. The string breaks, and the stone flies horizontally and strikes the ground after traveling a horizontal distance of 10 m. What is the magnitude of the..
Using the method of image charges find an approximate expression for the force on the charge in the case where the charge is very close to one of the planes (that is, b
a. questions for weekly discussions and conversations not part of the required discussion board assignmentthese
Suppose 2.5 cubic meter of oil is spilled into the ocean. Find the area of the resulting slick, assuming that it is one molecule thick
Two charges of +0.250 C are placed at the points (1.25 mm, 0) and (-1.25 mm, 0). A third charge of -0.450 C is placed at the origin. a. What is the electric field at the point (0, 2.20 mm)? b. At what point on the y-axis will E be zero? Show graph..
At a dock, a crane lifts a 1200 kg container 30 m, swings it out over the deck of a frieghter, and lowers the container into the hold of the freighter, which is 10 m below the level of the dock. The acceleration of gravity is 9.8 m/s2. Neglect fri..
q1. a 0.48 kg object is attached to a spring with a spring constant 178 nm so that the object is authorized to move on
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