1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dangina [55]
2 years ago
9

The cars of a roller-coaster ride have a speed of 30 km / h as they pass over the top of the circular track. Neglect any frictio

n and calculate their speed v when they reach the horizontal bottom position. At the top position, the radius of the circular path of their mass centers is 18 m, and all six cars have the same mass.
Engineering
1 answer:
PtichkaEL [24]2 years ago
7 0

Answer:

Explanation:

30 we know that radius is 18 and the circumference is 36pi and the time to go around is is 36pi/30=1.2pi≈3.76991118

You might be interested in
Consider the string length equal to 7. This string is distorted by a function f (x) = 2 sin(2x) - 10sin(10x). What is the wave f
fenix001 [56]

Answer:

hello your question has a missing part below is the missing part

Consider the string length equal to \pi

answer : 2cos(2t) sin(2x) - 10cos(10t)sin(10x)

Explanation:

Given string length = \pi

distorted function f(x) = 2sin(2x) - 10sin(10x)

Determine the wave formed in the string

attached below is a detailed solution of the problem

8 0
2 years ago
All of the following safety tips are true EXCEPT Select one: a. It is not acceptable to handle broken glass with your bare hands
netineya [11]

Answer:

Explanation:

B. you would grab the plug closest to the outlet

8 0
3 years ago
Four common causes of product failure are poor design, poor construction, poorly communicated operating instructions, and ______
Inga [223]

Answer:

B. operator error or misuse

Explanation:

A product is a failure if it is not able to achieve the anticipated life cycle as expected by the organization.

In such a case, there is a withdrawal of the product from the market as a result of its ultimate failure of a product to achieve profitability.

Four common causes of product failure are poor design, poor construction, poorly communicated operating instructions, and <u>operator error or misuse</u>

3 0
3 years ago
Bessy's calf weighed 99.19 pounds when calved on March 7th. Her calf gained an average of 1.85 pounds per day for 266 days. What
Zepler [3.9K]

Answer:

591.3

Explanation:

99.19 + (1.85 × 266) = 591.29

rounded = 591.3

4 0
3 years ago
Polylines are made up of:____________
Drupady [299]

Answer:

2. are connected sequences of lines and arcs

Explanation:

A polyline is an object that is compound in nature as it includes one or more linear or curved segments. It is made up of connected sequence of lines and arcs that are created as a single object rather than individual objects.

Polylines are useful in the following;

i. Easy creation of rectangles and polygons as a single entity.

ii. In AUTOCAD, they allow for easy extrusion for 3D solids.

8 0
3 years ago
Other questions:
  • In addition to bandages and gauze, it's recommended that a first aid kit also contain ___________. A) A finger splintB) Portable
    9·1 answer
  • What is the temperature dependency of the electrical conductivity for metals and semiconductors??
    6·1 answer
  • A 3-phase, 50 Hz, 110 KV overhead line has conductors placed in a horizontal plane 3 m apart. Conductor diameter is 2.5 cm. If t
    6·1 answer
  • Why can you anodise Aluminium and Magnesium alloys?
    9·1 answer
  • 53. The plan of a building is in the form of a rectangle with
    13·1 answer
  • What are the success factors for mechanical engineering?
    8·2 answers
  • What are flip flops and what do they look like
    14·2 answers
  • Can someone please help!
    8·1 answer
  • What is the locating position of the land field?​
    8·2 answers
  • yolanda went to get her car fixed. it cost $50 for the part and $200 for each hour the mechanic worked on it. if x represents th
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!