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How do you find the velocity of a wave with a frequency of 6 Hz and a wavelength of 2 m?
To find the velocity of a wave, you can use the formula: velocity = frequency x wavelength. In this case, the velocity would be 6 Hz x 2 m = 12 m/s.
A 57 kg girl weighs herself by standing on a scale in an elevator hat does the scale read when the elevator ascends at 12ms but its speed in decreasing at a rate of 5ms2?
When the elevator is ascending at 12 m/s and decelerating at 5 m/s^2, the net acceleration experienced by the girl is 12 m/s^2 - 5 m/s^2 = 7 m/s^2 upwards. To calculate the scale reading, we need to consider the total force acting on the girl which includes her weight and the force due to acceleration. Using Newton's second law (F = ma), the total force on the girl is F = (57 kg)(9.8 m/s^2 + 7 m/s^2) = 1083.6 N. Therefore, the scale will read 1083.6 N.
An athlete accelerates to 12ms in 5 seconds if his mass is 100kg what is the kinetic energy?
Don't let them confuse you. Kinetic energy is 1/2 mv2. His time of acceleration and the force acting on him are irrelevent. k = mv2/2 k = 100kg * (12m/s)2/2 =14400 kgm2/s2/2 =7200kgm2/s2 k = 7200N
A vehicle accelerates uniformly from a speed of 4.0ms to a speed of 12ms in 6.0s. What is the vehicles acceleration?
4/3 ms-2.
A baseball is seen to pass upward by a window 25M above the street with a vertical speed of 12ms if the ball was thrown from the street what was its initial speed?
for this problem use the formula V(final)= V0 +A*t V0=36ms V(final)= 12ms A= -9.8m/s^2 t=? plug into the equation 12= 36 + (-9.8)t -24= (-9.8)t t=2.4 seconds
Water flows at 12ms in a horizontal pipe with a pressure of 30000 Nm2 If the pipe widens to twice its horiginal radius what is the pressure in the water section?
the answer would be 48 m/s
What is the average acceleration of a subway train that speeds up from 9.6ms to 12ms in 0.86s on a straight section of track?
12-9.6=2.4m/s 2.4/0.8=3m/s^2
A 20 kg dog is running at a speed of 12ms?
and whats your point numb nuts.i can't believe you really care about something so pointless,get a life sorry but your a real sorry sounding cu@t .
How do you find the velocity of a wave with a frequency of 6 Hz and a wavelength of 2 m?
To find the velocity of a wave, you can use the formula: velocity = frequency x wavelength. In this case, the velocity would be 6 Hz x 2 m = 12 m/s.
What is PTR record?
A PTR record is essentially the opposite of an A record. A records resolve names to IP addresses. PTR records resolve IP addresses to names. A record = give me a name I'll give you an IP PTR record = give me an IP I'll give you a name Try it out in windows: ping "www.yahoo.com" Here is what I got: ------------------------------------------------------------------------------------- F:\>ping www.yahoo.com Pinging www-real.wa1.b.yahoo.com [69.147.76.15] with 32 bytes of data: Reply from 69.147.76.15: bytes=32 time=14ms TTL=53 Reply from 69.147.76.15: bytes=32 time=11ms TTL=53 Reply from 69.147.76.15: bytes=32 time=65ms TTL=53 Reply from 69.147.76.15: bytes=32 time=12ms TTL=53 --------------------------------------------------------------------------------------- now do a "ping -a IP-ADDRESS" which will spit you back the name attached to that IP ---------------------------------------------------------------------------------------- F:\>ping -a 69.147.76.15 Pinging f1.www.vip.re1.yahoo.com [69.147.76.15] with 32 bytes of data: Reply from 69.147.76.15: bytes=32 time=19ms TTL=53 Reply from 69.147.76.15: bytes=32 time=88ms TTL=53 Reply from 69.147.76.15: bytes=32 time=12ms TTL=53 Reply from 69.147.76.15: bytes=32 time=46ms TTL=53 Ping statistics for 69.147.76.15: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 12ms, Maximum = 88ms, Average = 41ms ------------------------------------------------------------------------------------------- Your accessing PTR records to do this. ... and just so you beileve me try a "ping 69.147.76.15" and check the results FYI: if your doing a ping -a to an intranet host you need to configure reverse lookup for it to work properly.
A 57 kg girl weighs herself by standing on a scale in an elevator hat does the scale read when the elevator ascends at 12ms but its speed in decreasing at a rate of 5ms2?
When the elevator is ascending at 12 m/s and decelerating at 5 m/s^2, the net acceleration experienced by the girl is 12 m/s^2 - 5 m/s^2 = 7 m/s^2 upwards. To calculate the scale reading, we need to consider the total force acting on the girl which includes her weight and the force due to acceleration. Using Newton's second law (F = ma), the total force on the girl is F = (57 kg)(9.8 m/s^2 + 7 m/s^2) = 1083.6 N. Therefore, the scale will read 1083.6 N.
What is response time in computer monitors?
AnswerA monitors response time is a measurement that is used to describe the timing it take for the screen to refresh itself and realign pixels to a screen change. It is mostly measured in ms. or MILISECONDS, or millionths of a second. The smaller the measurement, the faster the screen refreshes. This is a big concern on screens such as LCD which can show GHOSTING or blurring of fast moving images on the screen. This is common in games and movies. The lower the number, the sharper the image will look while in motion and the less ghosting. The common speeds of response times are 16ms 12ms 8ms 5ms and sometimes lower in good displays. For an LCD a 16ms is ok, but going with an 8 or faster is much more preferable for gaming as your eyes will definitely notice the difference. If you are doing 2D work and static image work such as internet browsing and that is all, a speed such as 16ms will be just fine.
