Author Question: While a rock thrown upward at 50 degrees to the horizontal rises, neglecting air drag, its vertical ... (Read 95 times)

BrownTown3

  • Hero Member
  • *****
  • Posts: 564
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
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
 

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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.

For a complete list of videos, visit our video library