Homework Statement
A spring stretches 0.150m when a 0.300kg object is hung from it. The spring is then stretched an additional 0.100m from this equilibrium point and released.
A) Calculate the spring constant (k)
B) Calculate the amplitude, period of motion T, frequency f and angular...
Homework Statement
Homework Equations
Mean difference and SEM
The Attempt at a Solution
Would the mean difference be 0.16?. I'm not sure about the answer because they give that much working space, Do I have to find the uncertainty of the difference first and then my answer implement that...
Homework Statement
A 50 gram steel ball moving on a frictionless horizontal surface at 2.0m.s^-1 hits a stationary 20 gram ceramic ball. After the collision the ceramic ball moves off at a velocity of 2.5m.s^-1.
(i) Calculate the velocity of the steel ball after the collision.
(ii) Calculate...