« previous next »

Author Question: What do you need to know to be able to determine how far a projectile travels horizontally? (Read 1036 times)

Sandstorm

  • Sr. Member
  • ****
  • Posts: 268
on: Jun 23, 2013
a. The length of time before it lands
b. The horizontal velocity of the projectile
c. the height of the projectile path
d. the acceleration of gravity

Check all that apply


aero

  • Hero Member
  • *****
  • Posts: 512
Reply #1 on: Jun 23, 2013
The answer is B.

Recall that:

v_x = v*cos(x) [horizontal velocity]
d_x = v_x(t) + ½at² [horizontal distance]

I hope this helps!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

curlz

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jun 23, 2013
B is partially correct you must also know C and the ballistic coefficient of the projectile


« previous next »
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

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?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Global positioning systems determine latitude, longitude, and altitude by measuring the distance fro Global positioning systems determine latitude, longitude, and altitude by measuring the distance fro
The chemical synapse. Step 1: The impulse travels down the axon. Step 2: Vesicles are stimulated to ... The chemical synapse. Step 1: The impulse travels down the axon. Step 2: Vesicles are stimulated to ...
How to determine an exponential relation from a table of values How to determine an exponential relation from a table of values
How to use the discriminant to determine the value of k in a quadratic with no real roots How to use the discriminant to determine the value of k in a quadratic with no real roots
How can you determine if the glucose-aversion trait in cockroach? How can you determine if the glucose-aversion trait in cockroach?
Sketch the graph using the tables providing. Determine if each function is continuous or ... Sketch the graph using the tables providing. Determine if each function is continuous or ...
Video: Chloroplast Structure & Light Dependent Reactions (Photosystem 1 and 2 Cyclic Electron Flow)

For a complete list of videos, visit our video library