Two forces have magnitudes in the ratio 3 : 5 and the angle between their directions is 60°. If their resultant is 35 N,
what are their magnitudes ?

According to social exchange theory, altruistic behaviors benefit the individual who performs them. t/f

Why do electron microscopes have higher resolving power than light microscopes?

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?