1. A boy pulls a wagon with his dog in it. The mass of the dog and wagon together is 63kg. The wagon accelerates at 0.96 m/s^2. What force is the
boy pulling with? **
O 6.48 N
60.48 N
O 6N
0 m/s2

What are the factors that affect the resistance of a wire?

Aspecimen of oil having an initial volume of 580cm^3 is subjected to a pressure increase of 4.0 mpa, and the volume is found to decrease by 0.40 cm^3. (a) what is the bulk modulus of the material? (b) what is the compressibility of the material?

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?