lizbeth
This page lists questions and answers that were posted by visitors named lizbeth.
Questions
The following questions were asked by visitors named lizbeth.
A force can make an object start to move or it can xxxxx it up or xxxx it down. We think the answers for x are speed and slow. A magnetic force exists between a magnet and a magnetic material such as xxxx and xxxxx. These materials are attracted to a magn...
17 years ago
Assignment: Incorporating Statistics, Graphs, and Illustrations ... com 220. How does the author of A Nation Apart organize information to build his
15 years ago
what is the importance of incorporating statistics, graph and illustration
15 years ago
1. According to the trend shown by the graph what volume of water would you expect after 35 seconds of dripping A. Approximately 10mL B. Approximately 12 mL C. Approximately 20 mL D. Approximately 25 mL 2. What is the relationship between the volume of wa...
10 years ago
Luis is an avid baseball player. For his science project, he decides to test which type of bat is best for hitting home runs. Luis prefers to use an aluminum bat when he plays, so he hypothesizes that he will hit more home runs using an aluminum bat than...
10 years ago
Which of the following is a way to practice safe science? A. Rewrite directions. B. Taste chemicals. C. Wash your hands. D. Discard your apron.
10 years ago
A 1180 kg car and 4720 kg truck undergo a perfectly inelastic collision. Before the collision, the car was traveling southward at 1.45 m/s , and the truck westward at 8.80 m/s. Find the velocity of the wreckage immediately after the collision. Enter the x...
9 years ago
A 71 kg skater and a 59 kg skater stand at rest on frictionless ice. They push off, and the 71 kg skater moves at 2.5 m/s in the + x-direction. What's the other's velocity?
9 years ago
A 110 g ball has a kinetic energy 39.8 J. What's the magnitude of its momentum? Use your answer to find its speed. K=p^2/2m 39.8=p^2/(2*110) 8756=p^2 p=93.5735 kg*m/s ^this is wrong though. where did I go wrong?
9 years ago
A boxcar of mass 3.21 x 10^4 kg is rolling south at 5.16 m/s when it collides and couples with another boxcar of mass 5.18 x 10^4 kg that is rolling north at 2.38 m/s. What is the velocity of the coupled boxcars after collision? Take north as positive and...
9 years ago
One of the conditions for Uniform Circular Motion is that the acceleration be centripetal and directed toward the center of motion. What would the effect be of a non-zero acceleration parallel to the tangential velocity?
9 years ago
A bicycle has 67.0 cm diameter wheels turning at 11.2 rev/s. How fast is the bicycle moving?
9 years ago
. 0.30m ....|______|_________________________ ....|...../\ ...|_| <-- box with unknown mass In the figure, the meterstick's mass is 0.200 kg and the string tension is 2.50 N . The system is in equilibrium. Find the (a) unknown mass m and (b) the upward fo...
9 years ago
At what height above Earth's surface is the gravitational acceleration reduced from its sea-level value by 0.20%? At what height above Earth's surface is the gravitational acceleration reduced from its sea-level value by 2.0%? At what height above Earth's...
9 years ago
Two stars with masses 2.75 x 10^30 kg and 5.92 x 10^30 kg form a binary system. If the two stars have an average separation of 7.28×10^8 km, compute the magnitude of the gravitational force in Newtons between the stars. Express your result in scientific n...
9 years ago
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 17 cm . You take the balloon in an airplane, where the pressure is 0.89 atm. If the temperature is unchanged, what's the balloon's new radius?
9 years ago
A window air conditioner consumes 900 W of electric power and has COP = 2.9.If it runs continuously for 24 h , how much heat gets removed from the house?
9 years ago
Which of the following are examples of mnemonics? Select all that apply. a short rhyme repeating something several times an acronym memorable phrases NEXT QUESTION
8 years ago
tanx +cotx=secx cscx
5 years ago
(secx - tanx)(cscx+1) =cotx
5 years ago
Answers
The following answers were posted by visitors named lizbeth.
Thanks for your answer. The letters we have are lxxx and the third letter of slow goes through. We think slow is correct but cannot see how lead fits (if it is correct) as it would be lxox. We cannot think of another word beginning with l. Hope you can he...
17 years ago
what is quantitative
16 years ago
i need help with mmy homework
14 years ago
I am calculating -.28 m/s for the 1st part but it is not correct.
9 years ago
-.505
9 years ago
. ....0.30m ....|______|_________________________ ....|........../\ ...|_| <-- box with unknown mass
9 years ago
its a yardstick on a fulcrum. on the left hand side a block is hanging from a string. I tried to submit it with a url but it would not let me so i attempted to draw it out. the length of the meterstick from the lefthand side to the fulcrum is .30m
9 years ago
What am I doing wrong... for .2% g=9.8-(.002*9.8) .0196 =9.7804 r=sqrt(GM/g) sqrt(3.9886*10^14)/9.7804 6386044.4 6386044.4-6371000=15044 m or aprx 15 km ?
9 years ago
A plant grows 3 centimeters in 10 days. How much does it grow per day?
7 years ago