Solution of task 8.4.9 from the collection of Kepe OE

Solution of task 8.4.9 from the collection of Kepe OE

8.4.9
Load 1 rises with the help of winch 2. The law of cargo movement has the form: s = 7 + 5 t2, where s - in cm.
Determine the angular velocity of the drum at time t = 3 s, if its diameter is d = 50 cm. (Answer 1,2)

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%