Answer:
7pounds=$10.43
10 pounds=? solution 10.43×10÷7=14.9 the equals sign means cross multiply.
Can u post a picture so I can better understand the question?
Explanation: more details.
The linear speed of the object is the ratio between the measure of the arc it had traveled and the time. For the length of the arc,
2π x (20 m) x (0.2 rad/ 2π rad) = 4 meters
Divide this by the time, 10 s. Thus, the linear speed is equal to 0.4 m/s.