Agirl rides her bike with an average velocity of 15.2 km/h northward. if it takes her 25 min to ride to her friend's house, what is her displacement?

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

Acoil formed by wrapping 80 turns of wire in the shape of a square is positioned in a magnetic field so that the normal to the plane of the coil makes an angle of 28.0° with the direction of the field. when the magnetic field is increased uniformly from 200 µt to 600 µt in 0.400 as, an emf of magnitude 80.0 mv is induced in the coil. what is the total length of the wire?

Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?