A person slaps her leg with her hand, which results in her hand coming to rest in a time interval of 2.35 ms from an initial speed of 4.75 m/s. What is the magnitude of the average contact force exerted on the leg, assuming the total mass of the hand and the forearm to be 1.45 kg?

Q: A bat strikes a 0.145 kg baseball. Just before impact, the ball is traveling horizontally to the…

A: Mass of ball is Initial velocity of ball is towards right direction.Final velocity of ball is…

Q: A baseball with a mass of 155 g is thrown horizontally with a speed of 40.2 m/s (90 mi/h) at a bat.…

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Q: 10.0-kg projectile launched with an initial speed of 10.0 m/s , at an elevation angle of 35.0°. The…

A: Given: The mass of the projectile (m) = 10 kg The initial speed of the projectile (v)= 10 m/s The…

Q: James (mass 90.0 kg) and Ramon (mass 60.0 kg) are 20.0 m apart on a dry rice paddy (basakan). Midway…

A: Mass of James = 90 kg Mass of Ramon = 60 kg Since the surface is frictionless and there are no other…

Q: At time t = 0 a 2150-kg rocket in outer space fires an engine that exerts an increasing force on it…

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Q: A car with a mass of 1000 kg collides perpendicular to the wall at a speed of 20 m/s and then…

A: Given,  Mass of car (m)= 1000kg  Speed of car before collision (u)= 20m/s (right side )  Speed of…

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Q: The front 1.20 m of a 1,350-kg car is designed as a "crumple zone" that collapses to absorb the…

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A: According to the Newton’s second law,

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Q: A bat strikes a 0.145 kg baseball. Just before impact, the ball is traveling horizontally to the…

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Q: ball of mass equals to 0.200kg is traveling to the right at a speed of 350 m/s. The ball is hit with…

A: According to impulse momentum theorem Impulse= change in momentum

Q: A small space probe is released from a spaceship. The space probe has mass 20.0 kg and contains 90.0…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: A box, initially at rest, has 23.1 N of force exerted in it for 5.69 s. If the box has a mass of…

A: we know that,acceleration = Forcemasshere Force=23.1 Nmass =7.01 kga= 23.17.01a=3.3 ms2

Q: During a ballistics test, a bullet of mass 1.56 g is fired through a block of mass 5.6 kg. In this…

A: Given:-  The mass of the bullet is m = 1.56 kg  The mass of the block is M = 5.6 kg  The block is…

Q: In the interest of safety for the space personnel on board, the acceleration of a craft leaving the…

A: acceleration (a) = 7 g g = 9.8 ms2Mass of rocket = 7.6×104 kg exhaust velocity = 1.88×103 ms

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Q: A 0.240 kg hockey puck has a velocity of 1.70 m/s toward the east (the +x direction) as it slides…

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Q: 40.0055-kg shuttlecock moving to the left with a speed of 40.0 m/s is struck by a badminton racket…

A: Solution: Use the impulse-momentum theorem to find the required time. According to the…

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Q: Find the x and y components of the average force on the ball. Suppose that the +x axis is directed…

A: x-y plane having force in negative side of the x,y axis is taken as negative.

Q: An amateur golfer swings a golf club, striking a golf ball that has a mass of 55.0 g. The club is in…

A: Given that, The mass of the ball (m) = 55.0 g = 0.055 g. The initial velocity of the golf ball is…

Q: A tall man walking at 1.10 m/s accidentally bumps his head of mass 3.07 kg on a steel doorjamb. His…

A: Initial speed (u) = 1.1 m /s mass of steel doorjamb = 3.07 kg t = 0.019sec Final velocity (V) = 0…

Q: A baseball with a mass of 154 g is thrown horizontally with a speed of 38.9 m/s (87 mi/h) at a bat.…

A: Write the expression for the impulse-momentum equation and substitute the corrsponding expressions…

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Q: Find the center of mass of a 90-cm long rod, made of 45 cm of iron (density 8.3 g/cm3) and 45 cm of…

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Q: In a Subaru TV commercial, a dog is driving a car of total MASS 1,812 kg.  Suddenly a person runs…

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Q: A baseball approaches home plate at a speed of 42.0 m/s, moving horizontally just before being hit…

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Q: A 1.2 kg ball is falling in the -y direction at a speed of 25 m/s. The ball strikes the floor and…

A: The ball's mass is, m=1.2 kg The change in the velocity of a ball is, Δv=10--25 m/s=35 m/s The time…

Q: A baseball approaches home plate at a speed of 48.0 m/s, moving horizontally just before being hit…

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Q: రికంగ్ డ్ A hockey puck with mass 0.150 kg is sitting at rest on frictionless ice when it is struck…

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Q: A model rocket engine has an average thrust of 5.26 N. It has an initial mass of 25.6 9, which…

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Q: Bonita (mass of 60 kg) is stuck, motionless, on a frictionless frozen lake. The only thing she has…

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Q: A cruise ship with a mass of 1.15 × 107 kg strikes a pier at a speed of 0.75 m/s. It comes to rest…

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Q: The club was in contact with a ball, initially at rest, for about 0.0014 s. If the ball has a mass…

A: To obtain the average force in SI units of kilo newtons, first the speed of the ball needs to be…

Q: A golf pro swings a golf club, striking a golf ball that has a mass of 55.0 g. The club is in…

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Q: A baseball approaches home plate at a speed of 48.0 m/s, moving horizontally just before being hit…

A: Given Data mass of the ball m = 145 glet i^ be the unit vector in the direction of + x directionand…