A110-kg tackler moving at a speed of 3.5 m/s
meets head-on (and holds on to an 85-kg halfback
moving at a speed of 5.0 m/s.
part a
what will be their mutual speed immediately after the collision?
express your answer to two significant figures and include the appropriate units.
units

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer