#3. A ball is tossed straight up in the air. At its very highest point, the ball's instantaneous acceleration vector: A) Points up. B) Is zero. C) Points down.
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- One of the fastest recorded pitches in major league baseball, thrown by Tim Lincecum in 2009, was clocked at 101.0 mi/h (Fig. P3.8). If a pitch were thrown horizontally with this velocity, how far would the ball fall vertically by the time it reached home plate, 60.5 ft away? Figure P3.8 Tim Lincecum throws a baseball.1. A cat is jumping from a 0.5m table towards a 1.3m table. The tables are 1.2m away from each other. If the cat launches itself at a speed of 6.2m/s 40.0 degree above the horizontal, determine if she will land safely on the table s2. A golfer hits a golf ball with an initial velocity of 16 m/s at an angle of 44° above the horizontal. The golfer is at an initial height of 15 m above the point where the ball lands. What is the magnitude of the velocity of the ball just before it lands?
- 1. A projectile is shot from the launcher at 6.5 m/s horizontally. It lands 3 meters away horizontally. What is the starting height of the projectile? 2. A pinball bounced around its machine before resting between two bumpers. Before the ball came to rest, its displacement was recorded as a series of vectors. All the angles are measured counterclockwise from the horizontal x-axis. V: 83.0 cm at 90.0° V2: 57.0 cm at 157 V3: 69.0 cm at 227° Find the magnitude and direction of the ball's total displacement. cm magnitude: direction:9. According to the Guinness Book of World Records, the longest home run ever measured was hit by Roy "Dizzy" Carlyle in a minor league game. The ball travelled 188m before landing on the ground outside the ballpark. Assuming the ball's initial velocity was in a direction 45° above the horizontal, what did the initial speed of the ball need to be to produce such a home run if the ball was hit at a point 0.9m above ground level? Ignore air resistance.1. Mt Taal is one of the most active volcanoes in the Philippines and active volcanoes normally emit red-hot rocks and lava rather than smoke and ash. Believe a huge rock is emitted from the volcano with a speed of 30.0 m/s and at an angle 40 above the horizontal. The rock strikes the side of the volcano at an altitude 25.0 m lower than its starting point. (a) Calculate the time it takes the rock to follow this path. (b) What are the magnitude and direction of the rock's velocity at impact?
- 2. A basketball player passes the ball to another player 3m away. The second player catches it at the same height above the court as it was thrown. The ball was released at an angle of 65° above the horizontal. At what initial speed did the first player throw the ball? 3 m у X 2 m Vo 65° =?II. Step by step solution 1. stone is thrown from the bottom of a building upward at an angle of 60.0° to the horizontal with an initial speed of v=10.0 m/s as shown in figure. What is the magnitude and direction of the stone's velocity just before it strikes the ground? 60° 2. Given F1 =(12.0 i+ 10.0 j)N vector ; vector F2 has x and y components of -25 N and 30 N respectively. If F;- 5F2-4F= 0, what are the components of F?2.The froghopper, Philaenus spumarius, holds the world record for insect jumps.When leaping at an angle of 58.0° above the horizontal, some of the tiny critters have reached a maximum height of 58.7 cm above the level ground. (See Nature, Vol. 424, July 31, 2003, p. 509.) Neglect air resistance in answering the following. (a) What was the take off speed for such a leap? (b) What horizontal distance did the froghopper cover for this world-record leap?
- 1. A frat boy throws a ping pong ball from 0.6 m above a table at 5 m/s and wants to land it in a 20 cm cup 1 m away along the table. At what angle above the horizontal should he throw it? Enter answer here9. According to the Guinness Book of World Records, the longest home run ever measured was hit by Roy "Dizzy" Carlyle in a minor league game. The ball travelled 188m before landing on the ground outside the ballpark. Assuming the ball's initial velocity was in direction 45° above the horizontal, what did the initial speed of the ball need to be to produce such a home run if the ball was hit at a point 0.9m above ground level? Ignore air resistance. 10 A srmall tov nirplano is flving lano norollo to the ground During the timo the1. stone is thrown from the bottom of a building upward at an angle of 60.0° to the horizontal with an initial speed of v=10.0 m/s as shown in figure. What is the magnitude and direction of the stone's velocity just before it strikes the ground? 60° 2. Given F1 =(12.0 i + 10.0 j)N vector ; vector F2 has x and y components of -25 N and 30 N respectively. If F1- 5F2-4F= 0, what are the components of F?