 |
|
| Browse | Ask | Answer | Search | Join/Login |
|
|
||||
|
physics help!!
A new roller coaster is a conservative system. If the coaster leaves the starting point with a speed of 5 m/s and a height of 25 m, what is its velocity when it reaches a height of 2.5 m?
A. 9.81 m/s^2 B. 21.6 m/s C. 15.4 m/s D. 12.6 m/s Please show work thank u! |
||||
Check out some similar questions!
A parallel-plate air capacitor is made from two plates 0.200m square, spaced 0.700cm apart. It is connected to a 100battery. Part A What is the capacitance?
Q. Length of a string tied to 2 rigid bodies is 40cm. Max length(wavelength in cm) o a stationary ave produced on it, is a.)20 b.)80 c.)40 d.)120 Please give your ans with correct explanations
Joe wishes to hang a sign weighing 7.50x10^2 so that cable A, attached to the store, makes a 30.0 degree angle. Cable B is horizontal and attached to an adjoining building. What is the tension of cable B?
When a man intends to start walking on the ground though the action and the reaction forces are equal in magnitude these forces may not produce accelerations of equal magnitudes. i.e the man undergoes acceleration but the ground does not get accelerated. Why?
View more questions Search
| Question Tools | Search this Question |
Add your answer here.
|
