How much time does a triple jumper need to reach a velocity of 9.2 m/s if he is accelerating at 1.65 m/s2

Identify/label the variables given, write out the equation and solve for the requested
information.
1. How much time does a triple jumper need to reach a velocity of 9.2 m/s if he is
accelerating at 1.65 m/s2
? (5points)
2. A vaulter is trying to reach a velocity of 7 m/s at the end of a 14 m runway, how quickly
must he accelerate? (5points)
3. If a 1 kg ball is thrown with a velocity of 19m/s from 1.94 m high and has a release angle
of 35o
calculate the following: (25 points)
a. Vertical and horizontal velocity components at the time of release
b. Time to peak height
c. Peak height (from release point)
d. Overall peak height (from the ground)
e. Time from peak height to landing
f. Range of the throw
g. Total flight time
4. If a hockey stick is 1.1 m long and completes a swing in 0.15 seconds with an angular
excursion of 85o
, assuming uniform angular velocity calculate the following: (15 points)
a. Average angular velocity
b. Linear distance moved by the stick
c. Tangential velocity at the end of the stick
d. Tangential acceleration at the end of the stick
e. Centripetal acceleration
5. If the stick from number 4 then decelerates to have an angular velocity of 0 in the
following 0.1 seconds calculate (15 points)
a. The acceleration of the stick
b. The angular excursion during the deceleration period
c. The linear distance moved during this phase