Physics, 03.03.2020 23:57, silvajimena74

One kind of baseball pitching machine works by rotating light and stiff rigid rod about a horizontal axis until the ball is moving toward the target. Suppose a 144 gg baseball is held 81 cm from the axis of rotation and released at the major league pitching speed of 81 mph.
a. What is the ball's centripetal acceleration just before it is released?
b. What is the magnitude of the net force that is acting on the ball just before it is released?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 16:20, claudia1252

Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude f due to the other. with time, charge gradually leaks off of both spheres. when each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be

Answers: 1

continue

Physics, 21.06.2019 21:00, aruhter9485

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Answers: 2

continue

Physics, 22.06.2019 06:00, djs1002

An ideal gas is held in a container at constant volume. initially, its temperature is 5 degrees c and its pressure is 1.2 atm. what is its pressure when its temperature is 43 degrees c? answer in units of atm

Answers: 2

continue

Physics, 22.06.2019 07:50, bckyanne3

2. -/1 pointsserpse10 2.7.p.017.mi. an object moving with uniform acceleration has a velocity of 14.0 cm/s in the positive x direction when its x coordinate is 2.97 cm. if its x coordinate 2.85 s later is -5.00 cm, what is its acceleration? cm/s2 need ? read it master it

Answers: 1

continue

Do you know the correct answer?

One kind of baseball pitching machine works by rotating light and stiff rigid rod about a horizontal...