Questions and answers by

Letisha

Questions (22)

Problems of learning English in South Africa
1. 3 answers
2. 152 views
What is English First Additional reference
1. 1 answer
2. 111 views
How to teach English second language in the intermediate phase with referencing
1. 1 answer
2. 165 views
How to teach English second language in the intermediate phase
1. 1 answer
2. 180 views
which is a valid probability functiona) p(x) for x=0,1,2 b)p(x)=x/1 for 0,1,2 c) p(x)=x/2 for 0,1,2
1. 0 answers
2. 361 views
Suppose that you have just taken a test and earned a score of 90%. Your instructor informs the class that the grades were
1. 1 answer
2. 478 views
11x^5/4x^2 multiplied by 12x^3/25x^8how do i simplify this?
1. 0 answers
2. 406 views
0=x^2-3x-49 what is the larger answer, what is the smaller answer?
1. 1 answer
2. 277 views
Assume y varies directly as x.If x = 2 when y = 7, find x when y = 32.
1. 0 answers
2. 384 views
A man can throw a ball a maximum horizontaldistance of 97.8 m. The acceleration of gravity is 9.8 m/s2 . How far can he throw
1. 4 answers
2. 8,931 views
Assume y varies directly as x.If x = 24 when y = 24, what is the value of k?
1. 2 answers
2. 948 views
A particle travels horizontally between twoparallel walls separated by 18.4 m. It moves toward the opposing wall at a constant
1. 1 answer
2. 503 views
A child holds a sled on a frictionless, snow-covered hill, inclined at an angle of 33◦. If the sled weighs 56 N, find the
1. 3 answers
2. 5,228 views
Two blocks are attached by a thin inextensi-ble string over a frictionless, massless pulley. There is a frictional force between
1. 0 answers
2. 713 views
An acrobat hangs by his hands from the mid-dle of a tightly stretched horizontal wire so that the angle between the wire and the
1. 2 answers
2. 745 views
An acrobat hangs by his hands from the mid-dle of a tightly stretched horizontal wire so that the angle between the wire and the
1. 1 answer
2. 605 views
An acrobat hangs by his hands from the mid-dle of a tightly stretched horizontal wire so that the angle between the wire and the
1. 4 answers
2. 2,138 views
In this same series spring system, what is theeffective combined spring constant kseries of the two springs? Answer in units of
1. 2 answers
2. 486 views
Now consider the same two springs in series.6.4 N/cm, 3.6 N/cm 44 N What distance will the spring of constant 3.6 N/cm stretch?
1. 2 answers
2. 496 views
In the parallel spring system, the springsare positioned so that the 44 N weight stretches each spring equally. The spring con-
1. 1 answer
2. 1,002 views
A car travels 2.69 km in the x-direction, thenturns left 57.5◦ to the original direction and travels an additional distance of
1. 0 answers
2. 637 views
An airplane travels at 144 km/h toward thenortheast. What is the northern component of its ve- locity? Answer in units of km/h.
1. 1 answer
2. 1,116 views