Answered

Welcome to Westonci.ca, your ultimate destination for finding answers to a wide range of questions from experts. Discover precise answers to your questions from a wide range of experts on our user-friendly Q&A platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

Two air-filled balloons each have a mass of m-3.7 g. Each balloon hangs from the same point by its own string of length Z-0.45 m. Each balloon is rubbed to give it
a
static charge. Both balloons are rubbed the same amount, so each balloon has the
same unknown charge (91-92). The hanging balloons push away until each makes
and angle of 0-15° with respect to the vertical.
Part (a)✓
Choose the best Full Body Diagram of the LEFT balloon
✓ Correct!
Part (b)
Write an expression for the magnitude of the repulsive force required to keep the left balloon in this position.
FE-
Grade Summary
Deductions
Potential
0%
100%

Two Airfilled Balloons Each Have A Mass Of M37 G Each Balloon Hangs From The Same Point By Its Own String Of Length Z045 M Each Balloon Is Rubbed To Give Ita St class=

Sagot :

MathPhys

Answer:

F = mg tan θ

Explanation:

For an object in equilibrium, the net force in the x and y directions must be zero. Drawing a free body diagram for the left balloon, there are three forces:

  • Tension force T pulling up 15° right of vertical
  • Weight force mg pulling straight down
  • Electrostatic force F pushing left

Sum of forces in the y direction:

∑F = ma

T cos θ − mg = 0

T cos θ = mg

Sum of forces in the x direction:

∑F = ma

T sin θ − F = 0

T sin θ = F

Divide the second equation by the first equation to eliminate the tension force T:

(T sin θ) / (T cos θ) = F / (mg)

tan θ = F / (mg)

F = mg tan θ

View image MathPhys
Thank you for your visit. We're dedicated to helping you find the information you need, whenever you need it. We hope you found what you were looking for. Feel free to revisit us for more answers and updated information. Your questions are important to us at Westonci.ca. Visit again for expert answers and reliable information.