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

Author Question: A ball is launched from ground level at 25 m/s at an angle of 31 above the horizontal. How far does ... (Read 194 times)

Alainaaa8

  • Hero Member
  • *****
  • Posts: 576
on: Jul 28, 2018
A ball is launched from ground level at 25 m/s at an angle of 31 above the horizontal. How far does it go before it is at ground level again?
 a. 34 m
  b. 94 m
  c. 28 m
  d. 56 m
  e. 14 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 230 m, how long does Superguy have to save Lois, and what must be his average speed?
 a. 4.84 s, 206 m/s
  b. 8.39 s, 119 m/s
  c. 6.85 s, 150 m/s
  d. 9.69 s, 103 m/s
  e. 3.43 s, 292 m/s


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

reelove4eva

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

c


Alainaaa8

  • Member
  • Posts: 576
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

emsimon14

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Insert the needle with the beveled side up. Keep the angle low, 10 to 30 degrees. Insert the needle with the beveled side up. Keep the angle low, 10 to 30 degrees.
With the vehicle raised one foot (30 cm) off the ground, push down on the vehicle to check if it ... With the vehicle raised one foot (30 cm) off the ground, push down on the vehicle to check if it ...
Tai chi stance with front foot pointing straight ahead and back foot at 45° angle, heels in line, ... Tai chi stance with front foot pointing straight ahead and back foot at 45° angle, heels in line, ...
Muscle structure seen at the EM level Muscle structure seen at the EM level
A 2.8-kg tool can move on a perfectly smooth ramp that slants at 42° above the horizontal. ... A 2.8-kg tool can move on a perfectly smooth ramp that slants at 42° above the horizontal. ...
Giant Puff Ball Giant Puff Ball
Video: Mycobacterium tuberculosis: Drug Resistance and Natural Selection

For a complete list of videos, visit our video library