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

Author Question: A celebrating student throws a water balloon horizontally from a dormitory window that is 50 m above ... (Read 114 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
on: Jul 29, 2018
A celebrating student throws a water balloon horizontally from a dormitory window that is 50 m above the ground. It hits the ground at a point 60 m from the building without appreciable air resistance.
 
  (a) What will be the horizontal component of the velocity of the balloon just before it hits the ground? (b) What will be the magnitude of the vertical velocity of the balloon just before it hits the ground?

Question 2

A certain 20-A circuit breaker trips when the current in it equals 20 A. What is the maximum number of 100-W light bulbs you can connect in parallel in an ideal 120-V dc circuit without tripping this circuit breaker?
 
  A) 27 B) 11 C) 17 D) 23


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 19 m/s (b) 31 m/s

Answer to Question 2

D


Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
Reply #2 on: Jul 29, 2018
Thank you!


okolip

  • Sr. Member
  • ****
  • Posts: 362
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Evidence of Water on Mars Evidence of Water on Mars
Mars with water Mars with water
Collage of Student Faces Collage of Student Faces
Land/Water Interactions Land/Water Interactions
A student creates a new blog about chemistry. A student creates a new blog about chemistry.
Water strider (Gerris remigis) on water surface, showing surface tension. Water strider (Gerris remigis) on water surface, showing surface tension.
Video: Metabolic Rate, Heat and Thermoregulation - response to heat and cold stresses

For a complete list of videos, visit our video library