9. Situational Question The rotation of a pulley is defined by the relation a=2t where a is in rad/s^2 and t is in seconds. When t=0, w=4 rad/s and = 0. Compute the value of wat t=5sec. a. 8 rad/s b. 25 rad/s c. 4 rad/s d. 29 rad/s Compute the value of e at t=5sec. a. 11 rad b. 62 rad c. 52 rad d. 31 rad A boy kicks a 0.15kg ball such that it leaves the ground at an angle of 45 degrees with the vertical and strikes the ground at the same elevation at a distance of 15m away. Determine the impulse on his foot on the ball at A. a. 1.749 kg-m/s b. 1.280 kg-m/s c. 1.947 kg-m/s d. 1.820 kg-m/s 9i. 9ii. 9iii.
9. Situational Question The rotation of a pulley is defined by the relation a=2t where a is in rad/s^2 and t is in seconds. When t=0, w=4 rad/s and = 0. Compute the value of wat t=5sec. a. 8 rad/s b. 25 rad/s c. 4 rad/s d. 29 rad/s Compute the value of e at t=5sec. a. 11 rad b. 62 rad c. 52 rad d. 31 rad A boy kicks a 0.15kg ball such that it leaves the ground at an angle of 45 degrees with the vertical and strikes the ground at the same elevation at a distance of 15m away. Determine the impulse on his foot on the ball at A. a. 1.749 kg-m/s b. 1.280 kg-m/s c. 1.947 kg-m/s d. 1.820 kg-m/s 9i. 9ii. 9iii.
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Transcribed Image Text:9. Situational Question
The rotation of a pulley is defined by the relation a=2t where a
is in rad/s^2 and t is in seconds. When t=0, w=4 rad/s and = 0.
Compute the value of wat t=5sec.
a. 8 rad/s
b. 25 rad/s
c. 4 rad/s
d. 29 rad/s
Compute the value of e at t=5sec.
a. 11 rad
b. 62 rad
c. 52 rad
d. 31 rad
A boy kicks a 0.15kg ball such that it leaves the ground at an
angle of 45 degrees with the vertical and strikes the ground at the
same elevation at a distance of 15m away. Determine the impulse on
his foot on the ball at A.
a. 1.749 kg-m/s
b. 1.280 kg-m/s
c. 1.947 kg-m/s
d. 1.820 kg-m/s
9i.
9ii.
9iii.
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