« previous next »

Author Question: The launching velocity of a projectile is 20 m/s at 53° above the horizontal. What is the vertical component o (Read 1382 times)

j_sun

  • Sr. Member
  • ****
  • Posts: 384
on: Jun 23, 2013
The launching velocity of a projectile is 20 m/s at 53° above the horizontal. What is the vertical component of its velocity at launch?
 m/s
Its horizontal component of velocity?
 m/s


curlz

  • Hero Member
  • *****
  • Posts: 538
Reply #1 on: Jun 23, 2013
vertical:
20 sin 53
16.0 m/s

horizontal:
20 cos 53
12.0 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Sandstorm

  • Sr. Member
  • ****
  • Posts: 268
Reply #2 on: Jun 23, 2013
Consider a triangle ABC where angle B=90degrees, angle C=53degrees.
Let AC=20 m/s
cos C=BC/AC where BC=horizontal component.
Hence, Horizontal component=ACcosC=20*cos(53)

sin C=AB/AC, where AB=vertical component.
Hence, Vertical component=ACsinC=20*sin(53).


« previous next »
 

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

An example of horizontal gene transfer: antibiotic resistance An example of horizontal gene transfer: antibiotic resistance
Jerry Uelsmann, Untitled (rock component). Jerry Uelsmann, Untitled (rock component).
The breaking down of a sound—in this case, the sound of a clarinet—into its component sine waves ... The breaking down of a sound—in this case, the sound of a clarinet—into its component sine waves ...
Thermodynamic Diagrams and Vertical Temperature Profiles Thermodynamic Diagrams and Vertical Temperature Profiles
Component of right internal ear Component of right internal ear
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ... What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work ...
Video: Structures that affect circulation - kidneys and blood volume and skeletal muscle pumping

For a complete list of videos, visit our video library