May 28, 2015

Posts by Clement

Total # Posts: 12

A bullet is fired vertically upward with an initial velocity of 98m/s from the top of a building 100m high, find a) the maximum height reached above the ground b) the total time before reaching the ground. C) the velocity on landing.
December 22, 2014

A table tennis ball is dropped unto the floor from a height of 4m and it rebounds to a height of 3m. If the time of contact with the floor is 0.01secs, what is the magnitude and direction of the acceleration during the contact
December 22, 2014

The speed of a transverse wave on a stretched string can be changed by adjusting the tension of the string. A stationary wave pattern is set up on a stretched string using an oscillator set at a frequency of 650 Hz. How must the wave be changed to maintain the same stationary ...
November 14, 2014

A stationary rocket is launched vertically upward. After 4s, the rocket's fuel is used up and it is 225.6 m above the ground. At this instant the velocity of the rocket is 112,8 m/s. Then the rocket undergoes free fall. Ignore the effect of the air friction.Assume that g ...
March 8, 2014

February 22, 2013

6 is less than equal 0
January 11, 2013

The 30% is the best
January 11, 2013

January 3, 2013

Life orientation
What two institutions that are involved in supporting or giving redress to teenage pregnancy?
May 6, 2012

Is it posssible to be too scrupulous about following rules? Describe a situation in which someone, perhaps an authority figure, was more concerned with the rules than with the welfare of the people involved. Do you agree or disagree with that person's point of view? ...
September 5, 2011

Facetious remarks often communicate serious ideas. An example is this comment by Mark Twain: "One of the most striking differences between a cat and a lie is that a cat has only nine lives." What is the serious meaning behind that remark? What might be the benefit of...
September 5, 2011

An unbalanced forced of 2.5x10^3N is applied to an object with a weight of 3.0x10^3N on a frictionless surface. What is the objects acceleration?
January 6, 2011

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