A 19.0-kg cannonball is fired from a cannon with muzzle speed of 1 050 m/s at...
A 19.0-kg cannonball is fired from a cannon with muzzle speed of 1 050 m/s at an angle of 36.0° with the horizontal. A second ball is fired with the same initial speed at an angle of 90.0°. Let y = 0 at the cannon.
(a) Use the isolated system model to find the maximum height reached by each ball.
| hfirst ball | = m |
| hsecond ball | = m |
(b) Use the isolated system model to find the total mechanical
energy of the ball–Earth system at the maximum height for each
ball.
| Efirst ball | = J |
| Esecond ball | = J |
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