What is the maximum velocity attained by the mass
A mass is attached to a spring. It oscillates at a frequency of 1.27 Hz when displaced a distance of 2 cm from equilibrium and released. What is the maximum velocity attained by the mass?
a) .02 m/s
b) .16 m/s
c) .08 m/s
d) .04 m/s
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Later, the bicyclist climbs the same hill at the same constant speed. How much force (directed parallel to the hill) must be applied to the bicycle in order for the bicyclist to climb the hill?
Determine the magnitude ratio and the phase lag for the system when subjected to a sinusoidal forcing having a 100 hz frequency. What, if anything is the problem using this system for this application.
A women a toddler pushes a chair at a constant speed with a force of 25.0N for a distance of 2.5m. How much work is the child doing on the chair?
To obtain the rate of reaction 3I- (aq) +H3AsO4(aq) +2H+(aq)->I3-(aq)+H2AsO3(aq)+H20(l) you might follow the I- concentration or the I30 concentration.
On a day when the speed of sound in air is 340 m/s, a bat emits a shriek whose echo reaches it .025 s later. How far away was the object that reflected back the sound?
Determine the rate of heat transfer from the bottom surface of the engine block by convection and radiation as the car travels at a velocity of 80 km/h.
A player of a video game is confronted with a series of 3 opponents and a(n) 77% probability of defeating each opponent. Assume that the results from opponents are independent (and that when the player is defeated by an opponent the game ends).
After achieving top speed, he runs the remainder of the race without speeding up or slowing down. The total race is fifty meters long. If the total race is run in 7.82 s, how far does he run during the acceleration phase?
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