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Two forces one of which is double the other has resultant of 260N. If the direction of larger force is reversed and the other remains unaltered, the resultant reduces to 180N. Determine magnitude of forces and the angle between the forces.
a cube of ice is taken from the freezer at -8.5 and placed in a 92 aluminum calorimeter filled with 314of water at room
reviews the concepts that are involved in this problem. A child is twirling a 0.0211-kg ball on a string in a horizontal circle whose radius is 0.0866 m. Determine the centripetal force acting on the ball
The record for the highest speed achieved in a laboratory for a uniformly rotating object was 2.01e3m/s for a 0.15m long carbon rod
Incident light in air impinges on a diamond. If the angle ofthe incident ray is 60° from the normal find the angles of the reflected and refracted rays. The speed oflight in a diamond is 1.23932x108 m/s.
a sled with a child sliding down from rest at 14 degree hill has a mass of m120kg. the length of the hill is 60 m and
Two flat surfaces are exposed to a uniform, horizontalmagnetic field of magnitude 0.47T. When viewed edge-on, the firstsurface is tilted at an angle of 12 degrees from the horizontal,and a net magnetic flux of 8.4E-3 WB passes through it.
A planet follows an elliptical orbit that brings it as close as 21 million km to a star and as far as 90 million km from the star. How fast is it moving when it is closest to the star
What is the volume of the bubble when it reaches just below the surface of the lake, where temperature is 20°C.
After a completely inelastic collision, two objects of the same mass, Find the angle between the initial velocities of the objects
An object moves 2.95m in the +x-direction under the influence of a 125N force directed 52 degrees above the x-axis. Find the work done on the object
What is the magnitude of the B-field at a radial distance from the wire of 1.20 m?
A hockey puck is struck with a force of 40N in an ice hockey arena. Assuming the ice provides a constant frictional force of 20N, determine the mass of the puck
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