Atruck pulls a trailer from a standstill with a constant force. after 2 minutes, the truck is moving at 48 km/hr. if the same truck applies the same constant force to pull a second trailer which is 3 times the mass of the first trailer, how fast will the truck be moving after 2 minutes?

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Negative 5 1/12 + negative 4 1/4 + 6 3/4