This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A plane flying horizontally at a speed of 50 m/s and at an elevation of 160 m drops a package, and ... (Read 170 times)

storky111

  • Hero Member
  • *****
  • Posts: 561
on: Jul 29, 2018
A plane flying horizontally at a speed of 50 m/s and at an elevation of 160 m drops a package, and 2.0 s later it drops a second package. How far apart will the two packages land on the ground if air resistance is negligible?
 
  A) 100 m B) 160 m C) 320 m D) 180 m

Question 2

A hockey puck slides off the edge of a horizontal platform with an initial velocity of 28.0 m/shorizontally in a city where the acceleration due to gravity is 9.81 m/s2. The puck experiences no significant air resistance as it falls.
 
  The height of the platform above the ground is 2.00 m. What is the angle below the horizontal of the velocity of the puck just before it hits the ground?
  A) 77.2 B) 12.8 C) 31.8 D) 72.6 E) 12.6


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

E


storky111

  • Hero Member
  • *****
  • Posts: 561
Reply #2 on: Jul 29, 2018
Thank you!


sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 29, 2018
Always glad to help...


« previous next »
 

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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.

Sugar Gliders (Flying Phalanger) Sugar Gliders (Flying Phalanger)
Extended Objects Create a Focal Plane Extended Objects Create a Focal Plane
Flying buttresses, Cathedral of Notre-Dame, Paris. Flying buttresses, Cathedral of Notre-Dame, Paris.
Prince Rupert’s Drops Prince Rupert’s Drops
A rapidly vibrating needle at idle that becomes steady as engine speed is increased indicates worn ... A rapidly vibrating needle at idle that becomes steady as engine speed is increased indicates worn ...
Speed of Convergence to the Steady State Speed of Convergence to the Steady State
Video: Olfaction. or the sense of smell

For a complete list of videos, visit our video library