Recent content by kylepetten

Homework Statement A coin it thrown from the top of a building, and its height in metres above the ground after 0, 1, 2, 3, 4, and 5 seconds is recorded as follows: {200, 203, 202, 197, 188, 175}. algebraically determine the function that describes this situation and use it to determine when...

Thanks a lot! :approve:

Am I off track by saying fill in -2x+35 for y? Then use x = -b / 2a ? Thanks for all the help, by the way.

SA = x^2 + x^2 + xy + xy + xy + xy SA = 2x^2 + 4xy That what you meant?

Homework Statement Jillian is getting ready to send a holiday package in the mail. The rectangular package has a square base and the sum of all the edges of the package measures 140 cm. What dimensions will produce a package with the largest possible surface area? Homework Equations...

oh, man, i sure was thinking too hard. thank you very very much! well appreciated!

Homework Statement Calculate how much work is done when a 1150 kg car accelerates from 2 m/s to 6m/s Homework Equations The Attempt at a Solution I have no idea. It seems like insufficient information to me. Please help! I am in great need as my exam is drawing near! Thanks!

im not using equations, i am getting my exact values from the unit circle

Homework Statement Find all solutions to the equation below such that -180° \leq x \leq 90° 2sin2x + sinx = 0Homework Equations The Attempt at a Solution 2sin2x + sinx = 0 sinx[2sinx + 1] = 0 sin x = 0 sinx= -1/2 x = {0° + 360°n {-180° + 360°n n\epsilonI

Homework Statement A person on a bicycle is traveling away from a parked car. If the horn of the car is sounded, how will the bicycle rider perceive the sound? A) The pitch will be higher than normal. B) The pitch will be lower than normal. C) The pitch will appear to steadily...

Homework Statement Typical AM radio waves usually have a frequency between 540 kHz and 1400 kHz. FM radio waves tend to have frequencies between 89 MHz and 105 MHz. Both types of waves travel at the speed of light. In terms of diffraction, use this information to help explain why in many low...

Water Waves -- Universal Wave Equation Homework Statement Attached. Homework Equations v=fλ The Attempt at a Solution f= cycles/time f= 45/60 f= 0.75 Hz The trouble I am having is wondering if λ is 28 m or do i have to do something else to find λ?

Ahh! I multiplied by 3.6 instead of dividing! Thanks!

Homework Statement A skier comes crashing into the netting at the bottom of a ski hill. The skier has a mass of 85 kg and is moving at a speed of 65 km/h (234 m/s). (a) How much work is done by the netting while bringing the skier to rest? (b) If the "spring" constant for the netting is...

Thanks very very much!