This topic contains a solution. Click here to go to the answer

Author Question: Without air resistance, a projectile fired horizontally at 8 km/s from a mountain top will A) ... (Read 228 times)

serike

  • Hero Member
  • *****
  • Posts: 542
Without air resistance, a projectile fired horizontally at 8 km/s from a mountain top will
 
  A) accelerate downward at g as it moves horizontally.
  B) trace a curve that matches Earth's curvature.
  C) return to its starting position and repeat its falling behavior.
  D) all the above
  E) none of the above

Question 2

Ignoring air resistance, what maximum speed can be given to a horizontally moving tennis ball as it clears the net 1.25 m high to remain within the edge of the court, which is 12.0 m from the bottom of the net?
 
  A) 12.0 m/s
  B) 16.0 m/s
  C) 24.0 m/s
  D) 48.0 m/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Kimmy

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

Answer: D

Answer to Question 2

Answer: C





 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

For a complete list of videos, visit our video library