Aplane is heading south with a velocity of 150 kilometers/hour. it experiences a tallwind with a velocity of 20 kilometers/hour. find the resultant
velocity of the plane.
a 120 kilometers/hour to the south
b. 148 kilometers/hour to the north
c. 170 kilometers/hour to the south
d. 130 kilometers/hour to the north
e. 150 kilometers/hour to the south

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

Eddy whose mass is 55kg climbs up the 1.50 meter high stairs in 2s.calculate eddy’s power rating

Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.