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

Author Question: A ball is launched from ground level at 30 m/s at an angle of 25 above the horizontal. How far does ... (Read 162 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
A ball is launched from ground level at 30 m/s at an angle of 25 above the horizontal. How far does it go before it is at ground level again?
 a. 14 m
  c. 43 m
  b. 70 m
  d. 86 m

Question 2

Superguy is flying at treetop level near Paris when he sees the Eiffel Tower elevator start to fall (the cable snapped). His x-ray vision tells him Lois LaTour is inside. If Superguy is 1.00 km away from the tower, and the elevator falls from a height of 2.1  102 m, how long does Superguy have to save Lois, and what must be his average speed?
 a. 4.5 s, 200 m/s
  c. 7.0 s, 140 m/s
  b. 6.5 s, 150 m/s
  d. 9.0 s, 110 m/s



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

livaneabi

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

B

Answer to Question 2

B





 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

For a complete list of videos, visit our video library