1. A projectile is fired with an initial speed of 1000 m/s at anangle of 37o above the horizontal. If air resistance is neglected, the horizontal component of the projectile’s velocity after 20 s is approximately ...?
2. A child is sitting on the seat of a swing with ropes 10 m long. Her father pulls the swing back until the ropes make a 37o angle with the vertical andthen releases the swing. If air resistance is neglected, what is the speed of thechild at the bottom of the arc of the swing when the ropes are vertical?