Examlex
A car is driven 1200 m north at 20.0 m/s and then driven 1600 m east at 25.0 m/s. What are the magnitude and direction of the displacement for this trip?
Q5: What is the impact, if any, of
Q13: A skier weighing 0.70 kN goes over
Q15: Nonreflective coatings for camera lenses reduce the
Q30: The wave function for a particle in
Q30: A block is pushed up a frictionless
Q37: On a bright and sunny day, the
Q45: An energy of 13.6 eV is needed
Q54: A 3.0-kg block moves up a 40°
Q59: Two blocks connected by a string are
Q71: A 2.0-kg block sliding on a horizontal