Lesson: P If two projectiles have the same size and shape but one is heavier than the other, which will travel further horizontally if they are both launched at the same angle and speed? O The heavy one O They will both be the same O The light one O Not enough information to tell
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
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- When baseball players throw the ball from the out eld, they usually allow it to take one bounce before it reaches the in eld because they think that the ball will arrive sooner that way. Suppose that the angle at which a bounced ball leaves the ground is the same as the angle at which it is thrown but the ball's speed after the bounce is one-half of what it was just before the bounce. (a) Assume that the ball is always thrown with the same initial speed. At what angle should the elder throw the ball to make it go the same distance D with one bounce as a ball thrown upwards at 45 with no bounce? (b) Determine the ratio of the time intervals for the two paths. Is it better to throw the ball on a bounce?A major leaguer hits a baseball so that it leaves the bat at a speed of 30.0 m/s and at an angle of 36.9° above the horizontal. You can ignore air resistance. A) At what two times is the baseball at a height of 10.0 m above the point at which it left the bat? B) Calculate the horizontal and vertical components of the baseball’s velocity at each of the two times calculated in part (a). C) What is the magnitude and direction of the baseball’s velocity when it returns to the level at which it left the bat?If you double the initial speed of a projectile, what happens to that projectiles range? Assume that the projectile lands at the same height from which it was launched
- Hi, can you please help me on this questionAn archer aims an arrow exactly horizontal over a flat field and shoots it. At the same instant, the archer's watchband breaks and the watch falls to the ground. Does the watch hit the ground before, at the same time as, or after the arrow hits the ground? O before O at the same time O after Defend your answer. O The watch will hit the ground before the arrow because the velocity of the arrow is mostly horizontal while the velocity of the watch is entirely vertical. O The watch will hit the ground before the arrow because the total distance the watch travels before it hits the ground is less than the total distance the arrow travels. O The watch and the arrow hit the ground at the same time. The vertical acceleration of the arrow is the same as that of the watch because horizontal motion does not affect vertical motion. O The watch will hit the ground after the arrow because the arrow has a large initial velocity while the initial velocity of the watch is zero.The particle shown below is at rest, where F₁ magnitude direction F₁ 30.0° 45.0° F2 X 6.35 N, and F2 = 11.5 N. Find the magnitude and direction of F. o counterclockwise from the +x-axis F
- An outfielder throws a baseball to his catcher in an attempt to throw out a runner at home plate. The ball bounces once before reaching the catcher. Assume the angle at which the bounced ball leaves the ground is the same as the angle at which the outfielder threw it as shown in the figure, but that the ball's speed after the bounce is one-half of what it was before the bounce. 0 O 0 (a) Assuming the ball is always thrown with the same initial speed, at what angle should the fielder throw the ball to make it go the same distance D with one bounce (blue path) as a ball thrown upward at 45.0° with no bounce (green path)? (b) Determine the ratio of the time interval for the one-bounce throw to the flight time for the no-bounce throw. tone-bounce tno-bounceDuring a fireworks display, a shell is shot into the air with an initial speed of 60.0 m/s at an angle of 30 degrees above the horizontal. The fuse is timed to ignite the shell just as it reaches its highest point above the ground. Calculate the horizontal distance the shell covers when the shell explodes at its highest point. assuming no air resistance involved and g=10m/s^2 a) 156 m b) 180 m c) 200 m d) 250 mA baseball is hit at an angle 0 and travels along a parabolic arc before it strikes the ground. Which one of the following statements is true? O The acceleration of the ball decreases as the ball moves upward. O The velocity of the ball is O when the ball is at the highest point in the arc. O The acceleration of the ball is 0 when the ball is at the highest point in the arc. O The velocity of the ball is a maximum when the ball is at the highest point in the arc. O None of the above.
- A rifle that shoots bullets at 474 m/s is to be aimed at a target 46.1 m away. If the center of the target is level with the rifle, how high above the target must the rifle barrel be pointed so that the bullet hits dead center? Number i UnitsYou aim a rifle horizontally in a perfectly flat field while your friend holds a bullet at the same height as your rifle. You fire the rifle and your friend simply opens her hand simultaneously, allowing the bullet to drop. Your friend claims that both bullets hit the ground at the same moment. Do you agree? Justify your answer. Ignore air resistance.A fighter plane moving 233 m/s horizontally fires a projectile with speed 59 m/s in a forward direction 30.0° below the horizontal. What is the speed of the projectile with respect to a stationary observer on the ground? a) 249 m/s Ob) 2660 m/s c) 288 m/s d) 286 m/s