A 0.145-kg baseball is pitched at 42 m/s. the batter hits it horizontally to the pitcher at 58 m/s. find the change in momentum of the ball.

What force is necessary to accelerate a 70-kg object at a rate ifm4.2 m/s

what is the genotype of a person with cystic fibrosis? here is the explanation to the question I got: cystic fibrosis (CF) is a recessive genetic disorder. The recessive allele is shown f and the dominant allele as F.

Select the volume units that are greater than one liter. a. kiloliter b. milliliter c. megaliter d. centiliter e. deciliter f. nanoliter

Why does a piece of iron in a current-carrying loop increase the magnetic field strength?

How does flowing water change the earths surface

Which of the following occurs in meiosis that does not occur in mitosis 1 fertilization occur 2 body cells are made 3 sex cells are made 4 cell division occurs

A hot air balloon is hovering in the air when it drops a 40 Kg food package to some lost golfers. If the package is dropped from an altitude of 500 m and air resistance can be neglected, how fast is the package moving when it hits the ground?

you often hear people particularly TV announcers talk about "high rate of speed" what do you think they mean according to the specifics of physics definitions what are they really saying

What is the value of x in the equation Ix - 3y = 30, when y = 15?

32. How much work is done pushing an 80 N box 2 m across ue surtout What work is done? a. 40 J c. 160 J b. 20 J d. 240 J