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

Author Question: Omar throws a rock down with speed 2.0 m/s from the top of a tower. The rock hits the ground after ... (Read 68 times)

tingc95

  • Hero Member
  • *****
  • Posts: 556
on: Jul 28, 2018
Omar throws a rock down with speed 2.0 m/s from the top of a tower. The rock hits the ground after 2.0 s. What is the height of the tower? (air resistance is negligible)
 a. 20 m
  c. 44 m
  b. 24 m
  d. 63 m

Question 2

A rock, released at rest from the top of a tower, hits the ground after 2.0 s. What is the speed of the rock as it hits the ground? (g = 9.8 m/s2 and air resistance is negligible)
 a. 15 m/s
  c. 31 m/s
  b. 20 m/s
  d. 39 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Tonyam972

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


tingc95

  • Member
  • Posts: 556
Reply 2 on: Jul 28, 2018
YES! Correct, THANKS for helping me on my review

tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

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.

Steller sea lions haul out on a rock off the coast of Raspberry Island (Alaska) Steller sea lions haul out on a rock off the coast of Raspberry Island (Alaska)
A watchful "rock chuck" or Yellow-bellied Marmot (Marmota flaviventris) atop Mount Dana, Y A watchful "rock chuck" or Yellow-bellied Marmot (Marmota flaviventris) atop Mount Dana, Y
The initial timing is where the spark plug fires at idle speed. The computer then advances the ... The initial timing is where the spark plug fires at idle speed. The computer then advances the ...
Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ... Astronaut Rachel leaves Earth in a spaceship at a speed of 0.960c relative to an observer on ...
A bulldozer attempts to drag a log weighing 500 N along the rough horizontal ground. The cable ... A bulldozer attempts to drag a log weighing 500 N along the rough horizontal ground. The cable ...
A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose ... A 1000-kg car is slowly picking up speed as it goes around a horizontal unbanked curve whose ...
Video: Inflammation

For a complete list of videos, visit our video library