4. Assuming that ball 1 was thrown with an initial velocity of 5 m/s, how far will it land away from the building horizontally?
A. 10 M
b. 16 M
C. 21 M
D. 0.63 M
5. A projectile is launched a t 35 m/s at an angle of 33 degrees. Determine (a) the maximum height of the projectile.
(B) the maximum distance of the projectile goes assuming it lands on the same horizontal plane. FREE RESPONSE
6.A Football player attempting to make a field goal that is 45 meters away kicks the ball at an angle of 50 degrees at 23 m/s? If the field goal posts are 3 m high, how much does the ball clear the goal posts by?
7. A football player attempting to make field goal kicks the ball with an initial velocity of 20 m/s. If the field goal is 35 meters away and 3 meters high determine the range of angles in which the field goal kicker will make the kick.
2 answers
A car slows down uniformly from a speed of 15.0 m/s to rest in 6.00 s .
4. Incomplete.
Vo = 35m/s[33o].
Xo = 35*Cos33 = 29.4 m/s.
Yo = 35*sin33 = 19.1 m/s.
5A. Yf^2 = Yo^2 + 2g*h.
Yf = 0.
g = -9.8 m/s^2.
h = ?
B. Dx = Vo^2*sin(2A)/g.
A = 33o.
g = +9.8 m/s^2.
Dx = ?
Vo = 35m/s[33o].
Xo = 35*Cos33 = 29.4 m/s.
Yo = 35*sin33 = 19.1 m/s.
5A. Yf^2 = Yo^2 + 2g*h.
Yf = 0.
g = -9.8 m/s^2.
h = ?
B. Dx = Vo^2*sin(2A)/g.
A = 33o.
g = +9.8 m/s^2.
Dx = ?