physic
posted by visoth .
equation F = mv^2/r
i don't get why the velocity is squared can anyone explain? this is waves on strings

acceleration=m/s^2
Since centrepital force=ma=m(v^2/r), the units for force is
F=ma=Kg*(m/s^2)
If you square v, you get v=m^2/s^2, but the equation for centripetal force= m(v^2/r), where the units for r are in m's. So, if you plug in the units for v and r you get (m^2/s^2)/m. One of the units for m is cancelled out by the m from r and your are left with m/s^2.
Respond to this Question
Similar Questions

Physics
If an airplane is moving at a constant velocity of 400 m/s for 20 s, what is its acceleration during this period? 
Physics
Standing waves are set up on two strings fixed at each end, as shown in the drawing. The two strings have the same tension and mass per unit length, but they differ in length by 0.55 cm. The waves on the shorter string propagate with … 
Math pplication of Sin and Cos&thier derivative
An oceanographer measured a set of sea waves during a storm and modelled the vertical displacement of waves in meters using the equation h(t)=0.6cos2t+0.8sint, where t is the time in seconds. a) Determine the vertical displacement … 
physic
The waves emitted from a source A is given by y1 = 6 sin π(20t – 0.5x) where y1, x and t are expressed in units of meter and seconds. (a) Determine the wavelength and the frequency of the radio waves. At the same time, source … 
physic
equation F = mv^2/r i don't understand why velocity is squared can anyone explain. this is waves on string 
Algebra 1 high school
In deep water, the speed s (in meters per second) of a series of waves and the wavelength L (in meters) of the waves are related by the equation 2(pi)s^2=9.8L. a. Find the speed the the nearest hundredth of a meter per second of a … 
Physics
The velocity of the transverse waves produced by an earthquake is 6.13 km/s, while that of the longitudinal waves is 9.9919km/s. A seismograph records the arrival of the transverse waves 61.5 seconds after that of the longitudinal … 
Math
Find the shortcut. Solve these problems. Then find and explain a shortcut method for finding the answer. 52(Squared)  42 (squared) = 82 (Squared)  72 (Squared) = 122 (Squared)  112 (Squared) = 312 (Squared)  302 (Squared) = 892 … 
Algebra 1, Physics
Muriel and Connie are playing a game of catch. They decided it would be fun to stand on different sides of the building and throw the ball back and forth. Muriel can throw the ball with a velocity of 14 m/s, and Connie can throw with … 
Physics 1
A 2.5 meter long string vibrates as a 100 hertz standing waves with nodes at 1.5 meters and 1.0 meters from one end of the string and at no points between the two strings, which harmonic is this?