Homework Statement
A plane with an initial velocity of (225m/s ŷ + 325m/s Ẑ) intercepts a 20kg piece of luggage with initial velocity of (-75m/s ŷ - 15m/s Ẑ). After, plane is moving at speed 400 m/s. What is the mass of the plane?
Homework Equations
momentum y: Mplane(225m/s) + 20kg(-75 m/s) =...
Homework Statement
given: the speed at perihelion
What is comets full energy? What is its distance from Sun at perihelion?
How much time is the comet located inside Earth's orbit?
Homework Equations
parabolic orbit equation
3. The attempt at a solutin
wrongly calculated l
The force F pulls upwards two masses, m1 and m2(m2>m1), which are connected to each othet via a massless pulley. The masses are perched on the ground before movement starts.
A. What is the acceleration of each one of the respective masses in each of the following situations:
1)F<2*m1*g...