« previous next »

Author Question: While a rock thrown upward at 50 degrees to the horizontal rises, neglecting air drag, its vertical ... (Read 88 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
on: Jul 29, 2018
While a rock thrown upward at 50 degrees to the horizontal rises, neglecting air drag, its vertical component of velocity
 
  A) increases.
  B) remains unchanged.
  C) decreases.

Question 2

Dr. Chuck projects a ball horizontally from a lab bench. The ball lands on a bullseye marked on the floor a horizontal distance away.
 
  Compared to the time for the ball to simply drop vertically from the bench, the time in the air for Dr. Chuck's projected ball is
  A) less.
  B) the same.
  C) greater.


kristenb95

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

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 heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Vertical structuring of the oceans is associated with substantial variation in light and temperature Vertical structuring of the oceans is associated with substantial variation in light and temperature
Insert the needle with the beveled side up. Keep the angle low, 10 to 30 degrees. Insert the needle with the beveled side up. Keep the angle low, 10 to 30 degrees.
Water vapor is supplied to the atmosphere by local evaporation or horizontal transport (advection). Water vapor is supplied to the atmosphere by local evaporation or horizontal transport (advection).
Cloud Types: Vertical Development Cloud Types: Vertical Development
Mobilize neck in wavelike motion. Return the head to a neutral position facing upward. Apply ... Mobilize neck in wavelike motion. Return the head to a neutral position facing upward. Apply ...
The Rock Cycle The Rock Cycle
Video: Allergic Rhinitis

For a complete list of videos, visit our video library