« previous next »

Author Question: A 2.0 g bead slides along a frictionless wire, as shown in the figure. At point A, the bead is ... (Read 118 times)

mcmcdaniel

  • Hero Member
  • *****
  • Posts: 550
on: Jul 29, 2018
A 2.0 g bead slides along a frictionless wire, as shown in the figure. At point A, the bead is moving to the right but with negligible speed.
 
  (a) What is the potential energy of the bead at point A?
  (b) What is the kinetic energy of the bead at point B?
  (c) What is the speed of the bead at point B?
  (d) What is the speed of the bead at point C?
 
  What will be an ideal response?

Question 2

requires 6.0 J of work is needed to push a 2.0-kg object from point A to point B of the frictionless ramp as shown in the figure. What is the length s of the ramp from A to B?
 
  What will be an ideal response?


joewallace

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: (a) 2.0  10-2 J (b) 2.0  10-2 J (c) 4.4 m/s (d) 2.0 m/s

Answer to Question 2

Answer: 0.61 m


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Salt marsh channels shown in cross section. Salt marsh channels shown in cross section.
Hydrocephalus. The figure on the left is a child with the enlarged ventricles of hydrocephalus. The Hydrocephalus. The figure on the left is a child with the enlarged ventricles of hydrocephalus. The
Bronchoscopy. Figure illustrates physician using a bronchoscope to inspect the patient’s bronchial t Bronchoscopy. Figure illustrates physician using a bronchoscope to inspect the patient’s bronchial t
A meter lead connected to a T-pin that was gently pushed along the signal wire of the TP sensor ... A meter lead connected to a T-pin that was gently pushed along the signal wire of the TP sensor ...
A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ... A very thin uniform rod, 2.40 m long and of weight 135 N, has a frictionless hinge at its lower ...
Constructing a Three-Point Recombination Map Constructing a Three-Point Recombination Map
Video: Non-specific disease resistance mechanisms & Skin's defense barriers

For a complete list of videos, visit our video library