A sled is at rest at the top of a 2 m high slope. The sled has a mass of 45 kg. The sled's potential energy is
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We have to apply potential energy formula:
where m is the measure of mass, g is gravitational acceleration which is always fixed and h indicates height. Plugging the data into formula, we find that:
PE = 882.9 Joules
Related Questions
In soviet russia, it was a common practice to edit old photographs to reflect the current political mood, and to treat the doctored photos as representations of reality, rather than modifications of it. for example, stalin's friends who turned into his enemies were cut out of pictures with him. these pictures were examples of:
Critics object that _____________ have tried to define away the genuine problems underlying metaphysical speculation
One way to use your visual learning ability effectively is toa. teach the material to a friend. b. construct a model. c. reread your text and notes. d. listen to tapes.
Social contract theory of citizenship
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An intersection is defined as a certain point where two or more roads meet. When approaching an intersection, the driver of a vehicle should be searching for the following:
- Traffic control devices.
- Actions of the motorcyclist.
- Traffic behind.
- Cross traffic.
2) Gestalt psychology
3) psychoanalytic theory
4) structuralism
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Answer:
Psychoanalytical theory
Explanation:
Psychoanalysis was developed during world war 1 and world war 2 in America. this was the single therapeutic approach that has been transplanted in ego psychology. This was the concept of Freud in which Freud talks about three concepts of personality psychology that id, ego, and superego. It is strongly influenced by a relational viewpoint. Whenever the theoretical approach implied the fundamental approaches always presented there side by side which help in psychoanalysis. This approach used in many disorders such as depression, anxiety phobia, PTSD, etc. psychoanalysis is a broad area used in a different context.
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Annually. Should be reviewed and rehearsed annually by all parties involved
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The Radical Republicans took several different steps to make Reconstruction harder for the white South including:
1) Development of the Freedmen's Bureau- This federal agency was made to ensure that African-American citizens were having their constitutional rights protected. This meant that white Southerners could not enslave these individuals anymore.
2) Reconstruction Acts- These laws helped to organize the former Confederacy into different military zones that were monitored by the federal government.
3) Constitutional Amendments- Radical republicans allowed African-American men the right to vote and outlawed slavery in its entirety, breaking down the oppressive system set up by white Southerners.
b. A sibling
c. A friend
d. A parent
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Answer:
B. Sibling.
Explanation:
Often, adolescences go to family, but not parents because they're authority and through this stage they want to be independent, so siblings is the best options for it.