Problem 5: Kara Less was applying her makeup when she drove into South's busy parking lot last Friday morning. Unaware that Lisa Ford was stopped in her lane 30 feet. It was Friday night and I was just coming in the door from work when I heard the phone ringing. My sister, whom I’d been playing phone.
Momentum and Collisions: Problem Set. Problem 1: Determine the momentum of . What momentum would the bicycle have if it had .
The pitch was clocked at 1. Determine the impulse required to give a 0.
Problem 4: Jerome plays middle linebacker for South's varsity football team. In a game against cross- town rival North, he delivered a hit to North's 8. Determine the initial momentum of the running back. Determine the final momentum of the running back. Determine the momentum change of the running back. Determine the impulse delivered to the running back.
Problem 5: Kara Less was applying her makeup when she drove into South's busy parking lot last Friday morning. Unaware that Lisa Ford was stopped in her lane 3. Kara rear- ended Lisa's rented Taurus. Kara's 1. 30. 0- kg car was moving at 1. Determine the momentum change of Kara's car.
Determine the impulse experienced by Kara's car. Determine the magnitude of the force experienced by Kara's car. Problem 6: An interesting story is often told of baseball star Johnny Bench when he was a rookie catcher in 1. During a Spring Training game, he kept signaling to star pitcher Jim Maloney to throw a curve ball. Maloney continuously shook off Bench's signal, opting to throw fastballs instead.
The rookie catcher walked to the mound and told the veteran Maloney that his fastball wasn't fast enough and that he should throw some curve balls. Bench again signaled for a curve. Maloney shook of the signal and threw a fastball. Before the ball reached the plate, Bench took off his glove; he then caught the pitch barehanded. Determine the impulse required to stop a 0. If this impulse is delivered to the ball in 0. Problem 7: While playing basketball in PE class, Logan lost his balance after making a lay- up and colliding with the padded wall behind the basket.
His 7. 4- kg body decelerated from 7. Determine the force acting upon Logan's body. If Logan had hit the concrete wall moving at the same speed, his momentum would have been reduced to zero in 0. Determine what the force on his body would have been for such an abrupt collision. Problem 8: NASA's Langley Research Center has been experimenting with the use of air bags to soften the landings of crew exploration vehicles (CEV) on land. What stopping time will be required in order to safely stop a 7. CEV moving at 7. 6.
N (an average force of 6 Gs)? Problem 9: In a study conducted by a University of Illinois researcher, the football team at Unity High School in Tolono, IL was equipped for an entire season with helmets containing accelerometers. Information about every impact in practice and in games was sent to a computer present on the sidelines. The study found that the average force on a top of the head impact was 1. N and endured for 7.
Using a head mass of 5. Problem 1. 0: Cassie has just finished her session on the trampoline during PE. As she prepares to exit the trampoline, her vertical momentum is reduced by a series of three resistive impulses with the bounce mat. Just prior to this series of impulses, her 4. On the first impulse, Cassie experiences an average upward force of 2.
N for 0. 6. 5 seconds. The second impulse of 1.
N. The last impulse involves an average upward force of 1. N which cases a 8. What vertical velocity does Cassie have after these three impulses? Problem 1. 1: Aaron Agin nodded off while driving home from play practice this past Sunday evening. His 1. 50. 0- kg car hit a series of guardrails while moving at 1. The first guard rail delivered a resistive impulse of 5. N. The second guard rail pushed against his car with a force of 7.
N for 0. 1. 2 seconds. The third guard rail collision lowered the car's velocity by 3. Determine the final velocity of the car. Problem 1. 2: Mr. H ignites the enthusiasm of the class with a home- made cannon demonstration. The 1. 2. 7- kg cannon is loaded with a 5. H adds the fuel, waits for its vapors to fill the reaction chamber and then brings a match nearby.
The explosion stuns the crowd and propels the ball forward. A photogate measurement determines that the cannon recoiled backwards with a speed of 7. Determine the speed of the ball.
Problem 1. 3: An 8. The male skater tosses the female skater forward with a speed of 8. Determine the speed of the male skater immediately after the throw.
Problem 1. 4: A candy- filled pi. During an unsuccessful attempt to break the 4. The stick stops and the pi. Determine the swing speed of the pi. H asks Jerome (1.
Michael (9. 8 kg) to sit on a large 1. H asks Suzie (4. 4 kg) to sit on a second 1. The two carts are placed on low friction boards in the hallway.
Jerome pushes off of Suzie's cart. Measurements are made to determine that Suzie's cart acquired a post- impulse speed of 9. Determine the expected recoil speed of Jerome and Michael's cart. Problem 1. 6: A 7. The boy pushes the girl, sending her eastward with a speed of 4. Neglecting friction, determine the subsequent velocity of the boy. Problem 1. 7: To Mr.
H's disgust, a 4. H runs out the back door with his broom in an effort to scare the crow away, it pushes off the 6. Determine the speed at which the feeder initially recoils backwards. Problem 1. 8: Jaclyn plays singles for South's varsity tennis team. During the match against North, Jaclyn won the sudden death tiebreaker point with a cross- court passing shot. The 5. 7. 5- gram ball hit her racket with a northward velocity of 2.
Upon impact with her 3. Determine the pre- collision momentum of the ball. Determine the post- collision momentum of the ball. Determine the momentum change of the ball. Determine the velocity change of the racket. Problem 1. 9: Anna Litical and Noah Formula are doing The Cart and the Brick Lab.
They drop a brick on a 2. After the collision, the dropped brick and cart are moving together with a velocity of 1. Determine the mass of the dropped brick.
Problem 2. 0: A Roller Derby exhibition recently came to town. They packed the gym for two consecutive weekend nights at South's field house. On Saturday evening, the 6. Anna Mosity was moving at 1. Sandra Day O'Klobber who was moving forward at 1. Anna's path. Anna jumped onto Sandra's back and the two continued moving together at the same speed. Determine their speed immediately after the collision.
Problem 2. 1: Ima Rilla Saari rushes to her car in order to hurry home and get dressed for work. Failing to realize the dangers of driving under slick and icy conditions, she collides her 9. Mazda Miata into the rear of a 2. Lake Avenue. Ima's pre- collision speed was 1. Determine the post- collision speed of the two entangled cars as they slide across the ice.
Problem 2. 2: In a goal line stand against New Greer Academy, South's linebackers Jerome (m=1. Michael (m=9. 8 kg) meet the 8. Upon contact, Jerome and Michael are both moving at 3. Determine the post- collision speed and direction of the collection of three players. Assume they move together after the collision. Problem 2. 3: Hayden (m=2. As he travels under a low- hanging branch of the tree where Matthew is sitting, he grabs the 4.
Matthew's hands. Determine the speed of Hayden immediately after grabbing the bag of soccer balls. Problem 2. 4: Rex (m=8. Tex (9. 2 kg) board the bumper cars at the local carnival. Rex is moving at a full speed of 2.
Tex who is at rest in his path. Tex and his 1. 25- kg car lunge forward at 1. Determine the post- collision speed of Rex and his 1. Problem 2. 5: Abbey and Mia are in the basement playing pool.
On Abbey's recent shot, the cue ball was moving east at 8. The 5- ball immediately speeds up to 5. Determine the post- collision speed of the cue ball. Problem 2. 6: Polly Ester and Ray Ahn are doing the Elastic Collision lab on a low- friction track.
Cart A has a mass of 1. Cart B. Cart B has a mass of 0. Jetbrains Resharper 4 X Keygen Download on this page.
After the magnetic repulsion of the two carts, Cart A is moving leftward at 1. Determine the post- collision speed and direction of cart B. Problem 2. 7: Bailey is on the tenth frame of her recent bowling competition and she needs to pick up the last pin for a spare and the first place trophy. She rolls the 7. 0. The ball was moving at 8.
The pin went flying forward at 1. Determine the post- collision speed of the ball. Problem 2. 8: Jack D. Ripper flipped out after missing a Must- Do- It question for the third time on his Minds On Physics assignment. Outraged by the futility of his efforts, he flings a 4. The pencil lodges into a 2. Sponge Bob doll which is at rest on a countertop.
Once in motion, the pencil/doll combination slide a distance of 1. The coefficient of friction between the doll and the countertop is 0.
Determine the speed at which the pencil is moving prior to striking Sponge Bob. Problem 2. 9: A physics student hurls a 3. The baseball strikes the box with a pre- impact speed of 5.
The box is filled with towels to help absorb the blow and effectively catch the ball. The coefficient of friction between the box and the table is 0. Determine the distance which the ball and box slide across the table after the collision. Problem 3. 0: A 7.
The boy pushes the girl, sending her eastward with a speed of 6. When the impulse is completed, the boy and girl are a distance of 1. Determine the distance of separation between the boy and the girl 5. Problem 3. 1: The city police are in pursuit of Robin Banks after his recent holdup at the savings and loan. The high speed police chase ends at an intersection as a 2. Ford Explorer (driven by Robin) traveling north at 3.
The Explorer and the garbage truck entangle together in the middle of the intersection and move as a single object. Determine the post- collision speed and direction of the two entangled vehicles.
Problem 3. 2: A 9. Assuming momentum conservation, determine the speed and direction of the two players immediately after the tackle. Return to Overview. View Audio Guided Solution for Problem.
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