Physics
A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, as the drawing shows. (θ = 56.0°) Suppose the total mass of a chair and its occupant is 190 kg. (a) Determine the tension in th...
Math (Propogation)
Consider an antenna transmitting a power of 5W at 900MHz. Calculate the received power at a distance of 2km if propagation is taking place in free space.
network utiliztion
A network has a capacity of 90,000 frames per minute and the input to the network is 900 frames per second. If .05% of all transmitted frames are lost and must be repeated, what is the network utilization?
Statistics and Probability
The following table shows the density of the random variable X. x 1 2 3 4 5 6 7 p(x) 0.03 0.01 0.04 0.3 0.3 0.1 0.01 8 ? A. Find P(8) B. Find P(3 ¡Ü X ¡Ü 5) C. Find P(X ¡Ü 4) and P (X < 4). Are the probalities the same? D. Find F(-3)and F(10)
Statistics
Find the probability when A. k = 2 and ë = 0.01 for Poisson distribution B. p = 0.01 and k = 2 for geometric distribution C. Repeat (b) when binomial distribution is used and n = 10
physics
A baseball is pitched at 40 m/s. The batter hits the ball directly back at the pitcher at 50 m/s. What is the magnitude of the acceleration of the ball if it was in contact with the bat for 1/30s. Answer says 2700m/s^2
physics
Two cars adjacent to each other on a highway. The first car accelerates uniformly at 3m/s2 the moment the light turns green. The second car is moving at 18m/s and is beside the first car at the instant the light changes and continues driving with a constant velocity. When are ...
Math
Draw a rectangle with an area of 48 cm squared that has a decimal factor for either the length, the width, or both.
chemistry
How much water would you add to 12 M HCl to make 650 mL of 1.5 M HCl? Hint: This is a dilution problem
5th grade
draw a line segment for 7/8 inches
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