This topic contains a solution. Click here to go to the answer

Author Question: Kaitlin uses a bat to hit a thrown baseball. She knocks the ball back in the direction from which it ... (Read 233 times)

burton19126

  • Hero Member
  • *****
  • Posts: 532
Kaitlin uses a bat to hit a thrown baseball. She knocks the ball back in the direction from which it came in an inelastic collision. The bat, which is heavier than the baseball, continues to move in the same direction after the hit as Kaitlin follows through.. Is the ball moving faster before or after it was hit?
 a. The ball was moving faster before it was hit.
  b. The ball was moving faster after it was hit.
  c. The ball was moving at essentially the same speed before and after the hit.
  d. There is insufficient information to answer this problem.

Question 2

An initially uncharged hollow metallic sphere with radius of 5 cm has a small object with a charge of -10 C carefully placed at the center of the sphere through a hole in the latter's surface. With the charge in place, what charge is now present on the outside surface of the sphere?
 a. zero
  c. +4000 C
  b. -10 C
  d. +10 C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akemokai

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

D

Answer to Question 2

B



burton19126

  • Hero Member
  • *****
  • Posts: 532
Both answers were spot on, thank you once again




 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library