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A bicycle and rider going 12 m/s approach a hill. Their total mass is 96 kg.
(a) What is their kinetic energy?
(b) If the rider coasts up the hill without pedaling, how high above its starting level will the bicycle be when it finally rolls to a stop?
A skydiver with his parachute has a combined mass of 79 kg and an approximate frontal area of 0.71 m^2. Calculate the terminal velocity of this skydiver in a horizontal position
You and your friend are standing on a horizontal platform that is rotating about its center. What is the difference between your angular speed (in rad/s) and your friend's speed
What is the total kinetic energy of two-skater system? What is the new kinetic energy of the system after they have pulled themselves closer? Explain the source of the increase kinetic energy.
q1. at one point in a pipeline waters speed is 3.30 ms and the gauge pressure is 4.00times104 pa. find out the gauge
Esther drives off the 3 m springboard and initially bounces up with a velocity of 8.0m/s at an angle of 80 degrees to the horizontal.
A surveyor starts at the southeast corner of a lot and charts the following displacements: A = 600 m, N; B = 400 m, W; C = 200 m, S; and D = 100 m, E. What is the net displacement from the starting point
Assume that a lightning bolt can be represented by a long straight line of current. If 15.0 C of charge passes by in a time of 1.5 x 10-3 s, What is the magnitude of the magnetic field
Consider a large 1.54 V carbon-zinc dry cell used in a physics lab to supply 2.15A to a circuit with an internal resistance of 0.12 ohms. How much electrical power does the cell produce
on october 21 2001 ian ashpole of the united kingdom achieved a record altitude of 3.35 km 11 000 ft powered by 600 toy
Two point charges of 120 nC and 800 nC are separated by a distance of 40 cm. How much energy must be expended to reduce the separation to 30 cm?
the frequency of a tuning fork can be found by the method shown. a long tube open at both ends is submerged in a beaker
Write a two page paper, double-spaced and in your own words, describing why (or how) an FFT (Fast Fourier Transform) was used to "decode" the DTMF frequency code (pattern) used in telephones in the lab activity
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