Manuel traveled 3 hours nonstop to mexico, a total of 197 miles. he took a train part of the way, which averaged 70mph, and then took a bus the remaining distance, which averaged 60 mph. how long was manuel on the train?

Aspring with a mass of 2 kg has a damping constant 14 kg/s. a force of 3.6 n is required to keep the spring stretched 0.3 m beyond its natural length. the spring is stretched 0.6 m beyond its natural length and then released. find the position of the mass at any time t. (assume that movement to the right is the positive x-direction and the spring is attached to a wall at the left end.)

Which type of microscope would allow the viewer to see ribosomes inside a cell?

Acricket ball of 70g moving with a velocity of 0.5 m/s is stopped by a player in 0.5s what is the force applied to stop the ball