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

Author Question: A certain spherical asteroid has a mass of is 4.65 1017 kg and a radius of 39,600 m. If a 150-kg ... (Read 135 times)

torybrooks

  • Hero Member
  • *****
  • Posts: 500
on: Jul 29, 2018
A certain spherical asteroid has a mass of is 4.65  1017 kg and a radius of 39,600 m.
 
  If a 150-kg object is dropped from rest at an altitude of 12,400 m above the surface of this asteroid, with what speed will it hit the surface? (G = 6.67  10-11 N  m2/kg2 )
  A) 19.3 m/s
  B) 22.7 m/s
  C) 26.2 m/s
  D) 18.2 m/s
  E) 13.8 m/s

Question 2

A projectile is thrown upward at 24 with the vertical and returns to the horizontal ground 12.5 s later with no air drag.
 
  (a) How fast was it thrown?
  (b) How far from its original position did it land?
  (c) How high above its original position did it go?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuwy

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

(a) 67 m/s (b) 340 m (c) 190 m


torybrooks

  • Member
  • Posts: 500
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

alexanderhamilton

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

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.

Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun Evolution of the Sun's luminosity, radius and effective temperature compared to the present Sun
The Mass-Luminosity Relation The Mass-Luminosity Relation
Body mass index table. Body mass index table.
Calculation of body mass index. To determine your BMI, find the value for your height on the left ... Calculation of body mass index. To determine your BMI, find the value for your height on the left ...
The mole fraction of oxygen in dry air near sea level is 0.20948, where the molar mass of ... The mole fraction of oxygen in dry air near sea level is 0.20948, where the molar mass of ...
Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ... Planet Z-34 has a mass equal to 1/3 that of Earth, a radius equal to 1/3 that of Earth, and an ...
Video: Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)

For a complete list of videos, visit our video library