Need Help, Please Physics Homework, Final tomorrow Please

  • Thread starter cillaxe
  • Start date
  • #1
1
0
1)A 3kg heavy winter coat hangs in the middle of a clothesline causing it to sag by an angle of 5 degrees. Find the tension in the clothesline.

2). A car is traveling with a constant speed when the driver suddenly applies the brakes giving the car a deceleration of 4 m/s^2. If re car. Comes to a stop in a distance of 40 meters. What was re cars original speed?
 

Answers and Replies

  • #2
Defennder
Homework Helper
2,591
5
Hi, the same rules apply here. You need to show your work before others can help you. The first one is just resolving forces along the clothesline. The second one requires one of the three basic kinematics equations.
 

Related Threads on Need Help, Please Physics Homework, Final tomorrow Please

Replies
4
Views
3K
Replies
3
Views
1K
Replies
6
Views
2K
Replies
27
Views
3K
Replies
7
Views
2K
  • Last Post
Replies
3
Views
2K
Replies
4
Views
1K
  • Last Post
Replies
1
Views
2K
  • Last Post
Replies
16
Views
4K
Replies
17
Views
3K
Top