- measure the distance from the cannon to the target using the tape measure. - m

ID: 1414035 • Letter: #

Question

- measure the distance from the cannon to the target using the tape measure.

- move the target 12.0 m from the cannon. Attempt to hit the target with three different angles by chnaging the firing and initial velocity.

Range (dx)= 21.0m 0=________ Vi=________

Range (dx)= 21.0m 0=________ Vi=_______

A projctile fired 30 degrees with a velocity 0f 15 m/s would have an x-volecity component of______m/s ans a y-velocity of______m/s

- Be sure air resistance is off and spend some time firing various projectiles..

- Set the initial speed to a value between 10-15 m/s. Choose your favoriate projectile.

- Find the range of the projectile at various angles.

0=90 degrees, (dx)=_____m

0=100 degrees, (dx)=_____m

Range = u2 * sin(2theta)/g

=> Range (dx)= 21.0m , theta = 30 degree

=> velocity = 20.28 m/sec

=> theta = 60 degree , velocity = 15.415 m/sec

=> theta = 45 degree , velocity = 14.34 m/sec

X velocity component = 15 * cos30 = 13 m/sec

Y velocity component = 15 * sin30 = 7.5 m/sec

For, theta = 90 degree , (dx)= 0 m

For, theta = 100 degree , (dx)= (15 * 15 * sin200)/9.8

= 7.852 m

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