Abicycle has a momentum of 12 kgm/s. what momentum would the bicycle have if it had: a) half the mass and twice the speed
b) the same mass and half the speed
c) three times the mass and half the speed
d) three times the mass and twice the speed

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

While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.

What is a view of science and psychology that says the value of knowledge depends on its usefulness? a. pragmatism b. psychotherapy c. physiology