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

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 167 times)

yoroshambo

  • Hero Member
  • *****
  • Posts: 566
on: Jul 28, 2018
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
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


yoroshambo

  • Hero Member
  • *****
  • Posts: 566
Reply #2 on: Jul 28, 2018
TY


livaneabi

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

The FDA recognizes 118 routes of administration.

Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the Epidemiologists look for the causes of disease, such as toxic waste and industrial pollution, at the
Whenever a vehicle is raised off the ground, a safety stand should be placed under the frame, axle, ... Whenever a vehicle is raised off the ground, a safety stand should be placed under the frame, axle, ...
Surface winds travel at an angle across isobars, toward low pressure. Surface winds travel at an angle across isobars, toward low pressure.
Blunt percussion over the left costovertebral angle Blunt percussion over the left costovertebral angle
A batter hits a home run in which the ball travels 110 m horizontally with no appreciable ... A batter hits a home run in which the ball travels 110 m horizontally with no appreciable ...
Ethanol has the molecular formula C2H6O. Which ball and stick model shown above represents ... Ethanol has the molecular formula C2H6O. Which ball and stick model shown above represents ...
Video: Structures that affect circulation - kidneys and blood volume and skeletal muscle pumping

For a complete list of videos, visit our video library