Solution of task 20.4.9 from the collection of Kepe OE

Solution of task 20.4.9 from the collection of Kepe OE

20.4.9
The cargo 2 is attached to the rod 1 and moves in a vertical plane. The potential energy of the pendulum is P = 9.81 (1 - cosφ), the kinetic energy is T = 0.8φ2. Determine the kinetic potential at the time when the angle φ = 60 ° and the angular velocity φ = 1 rad / s. (Answer -4.11)

Discount for regular customers! If the total of your purchases from the seller Михаил_Перович exceeds:

• $200 discount 15%
• $100 discount 10%
• $50 discount 7%
• $20 discount 5%
• $10 discount 3%
• $5 discount 2%
• $1 discount 1%