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A question about Uniformly Accelerated Linear Motion/ Kinematics? 1. batman is sitting in the batmobile at a spotlight. As the light turns green, Robin passes Batman in his lime green pinto at a constant speed of 60km/h. If batman gives chase, accelerating at constant rate of 10km/h/s, determine am completely off on my answers a. how long it takes batman to attain same speed? answer :6.0 b. how far Batman travels in this time? ans: 50m c. how long it takes for Batman to catch up to robin? ans : 12.0s 2. A squash ball makes contact with a squash racquet and changes from 15m/s to 25m/s east in 0.10s. determine the vector acceleration of the squash ball a. The units as given are OK for this one. The speed changes by 10 km/h each second, and he wants to get to 60 km/h. So 60/10 = 6 seconds.
b. You can use d = (1/2)at^2 for this, but to get an answer in meters you're going to have to convert the acceleration to m/sec^2. To do that, convert the km to meters (multiply by 1000) and the hr to seconds (divide by 3600).
c. You can use d = (1/2)at^2 again, and again you need the value of a in m/sec^2. This time t is unknown. It is going to be more than 6 seconds and Batman is going to continue to accelerate (he won't catch Robin if he stops accelerating when he gets to 60, because Robin is far ahead of him, also doing 60).
In the same time, Robin goes d = v*t, but you're going to have to convert his speed to m/sec also. Batman catches Robin when these distances are the same.
(1/2)at^2 = v*t
You can divide out one factor of t
(1/2)at = v
and you can rearrange that to solve for v.
Actually come to think of it, you can use the original units of km/hr for v and km/hr/sec for a, since they are compatible in this equation. You've got km/hr on both sides so that would be OK.
Number 2, just use the definition of acceleration. You have the change in velocity. You have the time. a = (change in velocity)/time

Describe the different functionalities provided by OpenGL to implement the following (computer Graphic)? Describe the different functionalities provided by OpenGL to implement the following: I. Initializing the Lighting Model (Marks 5) II. Vertex Normals and Colors (Marks 5) III. Light Properties (Marks 5) IV. Material Properties (Marks 5) V. Attenuation and Spotlighting (Marks 5) VI. Normalizing Normal Vectors (Marks 5) This is actually not the homework help section, but here's a helpful page with tutorials about this very subject: http://www.falloutsoftware.com/tutorials/gl/

Which is better for Costuming Auto CAD or Vectorworks? I'm a costumer that has to take an Auto Cad/ Vector works class in the near future and I'm only allowed to use one. They both are the latest Model and Vector is Spotlight. They both seem equally appealing but I'm mostly a pencil to paper kind of girl. So I was wondering if anyone had some suggestions on which was better. I recommend Vector Works. It allows you to play with lighting which will help you in color choices for costumes and relate to and communicate with your lighting designer.

How can the conservatives deny that Obama's stimulus saved at least this one job? As for stimulus jobs—whether "saved" or "created"—we thought readers might be interested to know whose employment they are sustaining. More than $2.4 million is stimulating the career of none other than Penn State climate scientist Michael Mann. Mr. Mann is the creator of the famous hockey stick graph, which purported to show some 900 years of minor temperature fluctuations, followed by a spike in temperatures over the past century. His work, which became a short-term sensation when seized upon by Al Gore, was later discredited. Mr. Mann made the climate spotlight again last year as a central player in the emails from the University of East Anglia's Climatic Research Unit, which showed climatologists massaging data, squelching opposing views, and hiding their work from the public. Mr. Mann came by his grants via the National Science Foundation, which received $3 billion in stimulus money. Last June, the foundation approved a $541,184 grant to fund work "Toward Improved Projections of the Climate Response to Anthropogenic Forcing," which will contribute "to the understanding of abrupt climate change." Principal investigator? Michael Mann. He received another grant worth nearly $1.9 million to investigate the role of "environmental temperature on the transmission of vector-borne diseases." Mr. Mann is listed as a "co-principal investigator" on that project. Both grants say they were "funded under the American Recovery and Reinvestment Act of 2009." The NSF made these awards prior to last year's climate email scandal, but a member of its Office of Legislative and Public Affairs told us she was "unaware of any discussion regarding suspending or changing the awards made to Michael Mann." So your tax dollars will continue to fund a climate scientist whose main contribution to the field has been to discredit climate science. I'm wondering how many hundreds of thousands of dollars went to "save" this hoxster's job...

Vector Spotlights is from category: Flashlights.