Posted by Natasha on .
At an instant when a soccer ball is in contact with the foot of a player kicking it, the horizontal or x component of the ball's acceleration is 810m/s^2 and the vertical or y component of its acceleration is 110m/s^2. The ball's mass is 0.43kg. what is the magnitude of the net force acting on the soccer boll at this instant?

Physics 
Henry,
X = 810 m/s^2.
Y = 110 m/s^2.
a = sqrt(X^2 + Y^2),
a = sqrt(656100+12100) = 814 m/s^2.
Fn = ma = 0.43 * 814 = 350 N.=Net force. 
Physics 
Katherine,
Armadillos are incredibly good jumpers and can jump 92 cm to 122 cm (about 34 feet) into the air and tend to jump when scared. A Paulo the armadillo jumps with a speed of 4.7 m/s. How long is Paulo in the air.