In a simple machine the energy input is 120J if the efficiency of the machine is 80% calculate the energy output
1 answer
Question:
In a simple machine the energy input is 120J if the efficiency of the machine is 80% calculate the energy output
Answers
Answer:24JExplanation:The energy output will be the 20% it lost in efficiency: 120-80% = 24J
Similar Solved Questions
2 answers
Which river runs across the border of Russia and Eastern Europe? A. Belarus B. Estonia C. Dnieper
Which river runs across the border of Russia and Eastern Europe?
A. Belarus
B. Estonia
C. Dnieper...
1 answer
Several retirement funds that own shares in News Corp., Inc., have filed suit against Rupert Murdoch, the chairman of the board and CEO of News Corp., alleging that Mr. Murdoch had the board approve the purchase of his daughter’s company for $675 million. Part of the purchase deal included putting Murdoch’s daughter on the News Corp. board. Which would be the best theory for recovery by the retirement funds? a. Violation of the corporate opportunity doctrine b. Insider trading c. Breach of fiduc
Several retirement funds that own shares in News Corp., Inc., have filed suit against Rupert Murdoch, the chairman of the board and CEO of News Corp., alleging that Mr. Murdoch had the board approve the purchase of his daughter’s company for $675 million. Part of the purchase deal included putting...
1 answer
English Question. Please Help. And Explain Answer Please. Thank You! Integrate the information in “Learn: Setting the Scene” and the video “The Pilgrim Fathers” to answer the question. Why did the Pilgrims leave Europe to establish a colony in America? Select the two correct answers. They planned to return to practicing traditional Catholicism. They wanted to establish their own way of living and worshipping in America. In Europe, they faced imprisonment or death for practicing their faith. They
English Question. Please Help. And Explain Answer Please. Thank You!
Integrate the information in “Learn: Setting the Scene” and the video “The Pilgrim Fathers” to answer the question.
Why did the Pilgrims leave Europe to establish a colony in America?
Select the two correct answers.
They pl...
2 answers
When a tuning fork vibrates over an open pipe and the air in the pipe starts to vibrate, the vibrations in the tube are caused by ... A. Resonance B. Harmonics C. Reinforcement D. Beats
When a tuning fork vibrates over an open pipe and the air in the pipe starts to vibrate, the vibrations in the tube are caused by ...
A. Resonance
B. Harmonics
C. Reinforcement
D. Beats...
1 answer
4. The legal limit for intoxication in Texas is 0.08% blood alcohol concentration (BAC) Suppose that a driver was tested with a breathalyzer that is subject to the standard error sigma approx0.011% . Answer the following problems using the normal approximation . 4(a) the breathalyzer reading was 0.085% , what is probability that the driver was not legally 4(b) the police officer wants to be at least 95% sure of DUI before arresting a suspected driver , at least how much BAC should he expect fro
4. The legal limit for intoxication in Texas is 0.08% blood alcohol concentration (BAC) Suppose that a driver was tested with a breathalyzer that is subject to the standard error sigma approx0.011% . Answer the following problems using the normal approximation .
4(a) the breathalyzer reading was 0....
2 answers
The relies on other levels of government. A. local government B. state government C. national government D. all of the above Please select the best answer from the choices provided A B. С D
The
relies on other levels of government.
A. local government
B.
state government
C. national government
D. all of the above
Please select the best answer from the choices provided
A
B.
С
D...
2 answers
In "Solitude," what can be inferred about the author's relationship with the natural world? He feels that human society has become too cold and impersonal. He feels lonely only when there are no animals around. He is happiest in nature when it is at its most unpleasant. He prefers the natural world to the company of other people. Part B Which sentence best supports the answer in Part A? “Some of my pleasantest hours were during the long rain storms in the spring or fall.” “I have found that no e
In "Solitude," what can be inferred about the author's relationship with the natural world?
He feels that human society has become too cold and impersonal.
He feels lonely only when there are no animals around.
He is happiest in nature when it is at its most unpleasant.
He prefers the natural world ...
1 answer
Pierre deposits $8,000 in a certificate of deposit that pays 8% interest, compounded semiannually. How much interest does the account earn in the first six months? What is the balance after six months? two answers and show work and write the answers out
Pierre deposits $8,000 in a certificate of deposit that pays 8% interest, compounded semiannually. How much interest does the account earn in the first six months? What is the balance after six months? two answers and show work and write the answers out...
2 answers
We went home quickly in the evening. 1)How do you went home in the evening? 2)How did you went home in the evening? 3)How did you go home in the evening?
We went home quickly in the evening.
1)How do you went home in the evening?
2)How did you went home in the evening?
3)How did you go home in the evening?...
1 answer
How many solutions does the equation 2x − 2x − 7 = −7 have?
how many solutions does the equation 2x − 2x − 7 = −7 have?...
2 answers
Simplify 8/-3 divided by -4/9 -3 9 O -8 O -6 O 6 O 8
Simplify
8/-3 divided by -4/9
-3
9
O -8
O -6
O 6
O 8...
2 answers
Churl! i cannot believe you stole my idea and presented it as you own! a. how nice b. how rude c. shame d. awful
Churl! i cannot believe you stole my idea and presented it as you own!
a. how nice
b. how rude
c. shame
d. awful...
1 answer
How do choices influence people in respect to exercise and diet?
how do choices influence people in respect to exercise and diet?...
1 answer
__________ prices in the short run allow the Federal Reserve to control the real interest rate. a. Constant b. Flexible c. Sticky d. Stable
__________ prices in the short run allow the Federal Reserve to control the real interest rate.
a. Constant
b. Flexible
c. Sticky
d. Stable...
1 answer
When Paula went bowling, she scored 118 and 138 in her first two games. What must she score in a third game to have an average score of 132?
When Paula went bowling, she scored 118 and 138 in her
first two games. What must she score in a third game to
have an average score of 132?...
1 answer
Evaluate the line integral for x^2yds where c is the top hal fo the circle x62 _y^2 = 9
Evaluate the line integral for x^2yds where c is the top hal fo the circle x62 _y^2 = 9...