GEG2104 Study Guide - Quiz Guide: Saber Of London

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rosecat405

3 Jan 2016

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The following pages have a list of expressions. For each expression, rst compute the expression in your head, without python. Write down what you think the value is in the second column of the table. Next, use python interpreter to compute the same expression. Type each of these expres- sions one by one. You may nd it easier to copy-and-paste them from this pdf le. Write down python"s result in the third column. You should always ll in the second and third column of a row before moving on to the next row. You want to learn from earlier examples before moving on to the next one. If the two values are different, you should try to gure out why python gave the answer that it did. Come up with a reasonable explanation and put it in the nal column.

Related Questions

A diver steps off a diving board 10.0m above the surface of a pool3.00m deep. What is the magnitude of the minimum acceleration(assumed constant) she must have in the water to keep her fromhitting the bottom? The answer is 33 m/s^2<br /><br/>

A) sketch a graph of velocity vs time.

B) for each of the seven relevant quantities below, relating to thefree fall part of the motion, either write it's known value withunits next to the equals sign, or write a question mark, if thequantity is unknown. Circle the unknown that you need to find, andcross out the one you don't need to find. ( it will requirejudgement on your part to determine what you need to know to solvethe problem)
t1=
t2=
ay=
y1=
y2=
(vy)1=
(vy)2=
C) write a kinematics equation in symbolic form (no numbers yet)that contains the unknown you need and does not contain unknown youdont need. Then show the equation (still in symbolic form) solvedfor the desired unknown. Then plug in the known values to show yourcalculation.
D) for each of the seven relevant quantities below, relating to thefree fall part of the motion, either write it's known value withunits next to the equals sign, or write a question mark, if thequantity is unknown. Circle the unknown that you need to find, andcross out the one you don't need to find. ( it will requirejudgement on your part to determine what you need to know to solvethe problem)
t2=
t3=
ay=
y2=
y3=
(vy)2=
(vy)3=

E) write a kinematics equation in symbolic form (no numbers yet)that contains the unknown you need and does not contain unknown youdont need. Then show the equation (still in symbolic form) solvedfor the desired unknown. Then plug in the known values to show yourcalculation.

A golf ball is hit off a tee at the edge of a cliff. Itsx and y coordinates as functions of time aregiven by the following expressions. x = (16.0 m/s)t
y = (3.20m/s)t - (4.90m/s²)t²

a.) Write a vector expression for the ball'sposition as a function of time, using the unit vectorsi and j. (Use t, i and jas necessary.)

b.) By taking derivatives, obtain an expressionfor the velocity vector v as a function of time.(Use t, i and j as necessary.)

c.)By taking derivatives, obtain an expressionfor the acceleration vector a as a function oftime.(Use t, i and j as necessary

d.)Next use unit vector notation to write anexpression for the position of the golf ball at t =2.10 s.
e.)Write an expression for the velocity at this time.

A golf ball is hit off a tee at the edge of a cliff. its x and y coordinates as functions of time are given by x= 18t and y =4t-4.9t^2, where x and y are in meters and t is in secs. a) write a vector expression for the ball's position as a function of time using the unit vectors i and j. by taking derivatives, obtain expressions for b)the velocity vector v as a function of time and c) the acceleration vector a as a function of time. d) next use the unit vector notation to write expression for the position, the velocity and the acceleration of the golf ball a t=3sec.

GEG2104 Study Guide - Quiz Guide: Saber Of London

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