Find I1 I2 and I3, Kirchoff’s Law

This question is worth 54 points ! rock falls from a ledge to the ground what energy conversion occurs during this process a potential to kinetic b kinetic to potential c thermal to mechanical d chemical to mechanical

Player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. what is the horizontal velocity component of the ball to the nearest tenth of a m/s?

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c