Meixiu and Joey used what they have learned to solve the following problem. A projectile is...
A projectile is launched with a launch angle of 70° with respect to the horizontal direction and with initial speed 53 m/s. How long does it remain in flight?
EXPLORE A projectile is launched with a launch angle of 30° with respect to the horizontal direction and with an initial speed of 40 m/s. (A) How do the vertical and horizontal components of the projectile's velocity vary with time? (B) How long does it remain in flight? (C) For a given launch speed, what launch angle produces the longest time of flight? CONCEPTUALIZE Consider the projectile to be a point mass that starts with an initial velocity, upward and...
EXPLORE A projectile is launched with a launch angle of 30° with respect to the horizontal direction and with an initial speed of 10 m/s. s0 (A) How do the vertical and horizontal components of the projectile's velocity vary with time? 40 35 (B) How long does it remain in flight? 25 (C) For a given launch speed, what launch angle produces the longest time of flight? 15 10 toy CONCEPTUALIZE Consider the projectile to be a point mass that...
1. A projectile is launched horizontally from a height above level ground of 3 m. When it hits the ground, it's horizonta displacement from the launch point is 7 m. a. b. How much time does it spend in flight? With what speed was it launched? Suppose the projectile were now launched from the same point at an angle of 45 above the horizontal. a. b. How much time does it spend in the air? What is its horizontal displacement...
#8 Projectile Motion A projectile is launched from a height of 11.2 meters above a perfectly flat horizontal surface with a launch speed of 20.5 m/s and a launch angle of 30° with respect to the horizontal direction. Using g = 9.8 m/s, how long is the projectile aloft? O A. 1.23s B. 1.54 s ° C. 229 s D. 2.88 s #9 Projectile Motion In #8, what is the range of the projectile before it strikes the ground? O...
A projectile is launched with an initial speed of 40 m/s at an angle of 25° above the horizontal. (a) What are the horizontal and the vertical components of initial velocity. (b) Find the time taken by the projectile to reach the highest point and its height at the highest point. (c) How long does it take the projectile to hit the ground after launch and how far from the starting point it hits the ground. (d) Calculate the velocity...
You launch a projectile at an initial speed of 33.4 m/s from the ground. After 3.30 seconds of flight, the projectile lands on the ground. At what angle above the horizontal was the projectile launched?
You launch a projectile at an initial speed of 41.7 m/s from the ground. After 4.60 seconds of flight, the projectile lands on the ground. At what angle above the horizontal was the projectile launched? 20.5 degrees 27.9 degrees 32.8 degrees 55.8 degrees
You launch a projectile at an initial speed of 38.8 m/s from the ground. After 2.40 seconds of flight, the projectile lands on the ground. At what angle above the horizontal was the projectile launched? O 17.7 degrees 24.8 degrees 0 12.6 degrees O 12.4 degrees
A projectile is launched from a platform of height h and lands on the ground below. a) Find the launch angle that maximizes the horizontal range of the projectile. b) Now suppose the projectile is subject to a strong headwind such that it has a horizontal acceleration of 1.00 m/s2 , pointing against its motion. If it is launched at 30∘ above the horizontal with initial speed of 30 m/s, and the platform is 5.00 m tall, how far does...