This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A baseball batter hits an incoming 40 m/s fastball. The ball leaves the bat at 60 m/s after a ... (Read 127 times)

NguyenJ

  • Hero Member
  • *****
  • Posts: 516
on: Jul 28, 2018
A baseball batter hits an incoming 40 m/s fastball. The ball leaves the bat at 60 m/s after a ball-on-bat contact time of 0.030 s. What is the force exerted on the 0.15 kg baseball?
 a. 450 N
  c. 90 N
  b. 250 N
  d. 500 N

Question 2

A shot-putter moves his arm and the 7.0-kg shot through a distance of 1.0 m, giving the shot a velocity of 15 m/s from rest. Find the average force exerted on the shot during this time.
 a. 197 N
  c. 600 N
  b. 394 N
  d. 790 N


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

irishcancer18

  • Sr. Member
  • ****
  • Posts: 310
Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

D


NguyenJ

  • Member
  • Posts: 516
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Rotating around any node leaves a phylogeny unchanged Rotating around any node leaves a phylogeny unchanged
Closed urinary drainage system. Urine being measured after it leaves patient’s body via catheter. Closed urinary drainage system. Urine being measured after it leaves patient’s body via catheter.
Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
Slide along the bottom of the foot with the fist. Apply from the ball of the foot to the heel. Use ... Slide along the bottom of the foot with the fist. Apply from the ball of the foot to the heel. Use ...
Inside ankle press. Place the heel of your left hand on the ball of the recipient’s right foot, ... Inside ankle press. Place the heel of your left hand on the ball of the recipient’s right foot, ...
Giant Puff Ball Giant Puff Ball
Video: Protein catabolism - deamination

For a complete list of videos, visit our video library