A puck of mass 30g slides across rough ice, experiancing a frictional force of 0.20N. If it was mocing at 10 km/h when it hit the ice patch, a) how long did it take to stop? b) how long was the ice patch?

Q: what average braking force is necessary to stop a 2,500 kg car travelling with an initial velocity…

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Q: As a protest against the umpire's calls, a baseball pitcher throws a ball straight up into the air…

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Q: A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is…

A: According to the Newton’s second law, F=maa=Fm=4.3×105 N3.56×105 kg=1.208 m/s2

Q: 2.0 m/s 250 kg 200 kg 15 m Several students are riding in bumper cars at an amusement park, The…

A: A) first, how long does it take for car A to reach 5m/svf = Vi + at5m/s = 2m/s + 1.5m/s2(t)t =…

Q: How long does it take a 2500 kg car to slow down from 15 m/s if it strikes a wall with a force of…

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Q: son throws a 0.5 kg ball up in the air in 1.1 s. During this process the position of the ball…

A: Given  Mass m = 0.5 kg  Initial velocity u = 0  Final velocity v = 7 m /s  Displacement s = final…

Q: Mr. M is driving his truck, which has a mass of 2200kg, at a speed of 125km/h on the 401. He notices…

A: Mass of the truck is m = 2200 kg Initial speed of the truck is u = 125 km/h Tapping distance is S =…

Q: A car heading north collides at an intersection with a truck heading east. Truck and car have equal…

A: Given data: The mass of car and truck is m. The speed of car-truck system is v=28 m/s. The…

Q: A 1.0-kg ball of putty is released from rest and falls vertically 1.5 m until it strikes a hard…

A: Given data The mass of the ball is given as m = 1 kg. The distance traveled by the ball is s = 1.5…

Q: A soccer ball of mass 0.4 kg, initially at rest, acquires a speed of 5 m/s immediately after being…

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Q: While walking along Makati Avenue, you saw a moving car with initial speed of 28 m/s . The car is…

A:

Q: A ball with a mass of 1 kg hits the ground vertically at 25 m / s and returns at 10 m / s. Since the…

A: Given data, mass of the ball = 1 kg initial speed of the ball = 25 m/s final speed of the ball = 10…

Q: 1,200 kg car traveling at a speed of 43 m/s skids to a halt on wet concrete where µk = 0.60. How…

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Q: Sally throws a puck of mass m = 0.20 kg with an initial velocity i = 5.00i m/s along a horizontal…

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Q: After falling from rest from a height of 30-m, a 0.50-kg ball rebounds upward, reaching a maximum…

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Q: Two iceboats (one of mass m, one of mass 2m) hold a race on a frictionless, horizontal, frozen lake.…

A:

Q: A constant force of 200N is required to accelerate a 1600 kg trailer from rest to a speed of 25m/s.…

A: Given: The constant force(F)= 200N  Mass of the car m = 1600 Kg Initial speed u = 0 Final speed v =…

Q: A 6.693E+3-kg truck moving east at 10.3 m/s collides with a 1.742E+3-kg car moving west at 31.0 m/s.…

A:

Q: In a classic comedy gag, a clown gets a pie thrown at their face. The pie weighs 0.9097 kg and flies…

A: mass (m) = 0.9097 kg initial velocity (u) = 2.91 msfinal velocity (v) = 0 mstime (t) = 621ms= 0.621…

Q: A student (m = 63 kg) falls freely from rest and strikes the ground. During the collision with the…

A: The impulse is given by,

Q: If Alice who has a mass of 55.0 KG and is it raining at 25.0 m/s had not been wearing a seatbelt and…

A: The mass, m=55 kg   The speed, v=25 m/s   The time duration, t=0.002 s

Q: A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is…

A: case 1the deceleration is given by

Q: A 69.8 kg bungee jumper is initially standing at rest on a bridge. After falling a distance 13.2 m,…

A: Given, a mass m = 69.8 kg bungee jumper is initially standing at rest on a bridge (taking downward…

Q: A 450 gm ball moving in the +x-direction at 15 m/s is hit by a bat. It's final velocity is 21 m/s…

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Q: A high-diver of mass 70 kg jumps off a board 20 m above the water. If, 1.5 s after entering the…

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Q: During a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the…

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Q: Suppose a cyborg shoots Monkey D. Luffy with 3g bullets at a rate of 100 bullets/min, with speed of…

A: Average force on Luffy's body is equal to the rate of change in momentum of the bullets.  Mass of…

Q: Suppose an object of mass 10.0kg begins at rest and is acted upon by a force of magnitude F(t) =…

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Q: A train with mass of 2000 kg coasts on a frictionless track with a speed of 50 m/ s . How large a…

A: Mass of train: m = 2000 kg Initial speed of train: u = 50 m/s Final speed of train: v = 0 m/s…

Q: An office worker smacks a table, bringing his hand to rest in 0.0025 seconds from an initial speed…

A: Given data: Time (t) = 0.0025 s Initial velocity (v0) = 4.00 m/s Final velocity (v) = 0 m/s Mass (m)…

Q: A NASA probe traveling through interplanetary space has a mass of 81 kg and is traveling at a speed…

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Q: Sally throws a puck of mass m = 0.20 kg with an initial velocity u= 5.00i m/s along a horizontal…

A: Work done is equal to change in kinetic energy W=∆Ek-Fd=12m∆v2     Force exerted in the direction…

Q: A hockey player passes a 0.168kg puck that is initially sliding backward at 5.00m/s. The force…

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Q: Particle A has mass m. Particle B has twice the mass of Particle A. The same constant force F acts…

A: Given data: Mass of particle A (mA) = m Mass of particle B (mB) = 2mA = 2m Constant force (F) and…

Q: A 3.00-kg object is initially moving northward at 15.0 m/s. Then a force of 15.0 N, toward the east,…

A: Mass of object (m) = 3 kg  Initial velocity of object = 15 j m/s  Force acting on object (F) = 15 i…

Q: Dan is gliding on his skateboard at 2.56 m/sm/s . He suddenly jumps backward off the skateboard,…

A: SOlution: given that vi, Dan = 2.56 m/s mDan = 42.1 kg mskatboard = 5.99 kg vf, Dan = 6.22 ms t…

Q: In a slap shot in hockey, the stick and puck are only in contact for 0.030s. During this time, the…

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Q: 3 kg astronaut drifting with 7.0 m/s to the right with respect to a spacecraft uses a jetpack to…

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Q: When a boxer gets hit on the face by his or her opponent, he or she should move back his or her head…

A: When a boxer gets hit on the face by his or her opponent he or she should move his or her head back…

Q: 2. After the box in the figure has moved 3 meters from rest, the constant force P = 600 N is…

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Q: Two blocks of mass m1 = 0.6 kg and m2 = 2.4 kg are connected by a massless string, as shown in the…

A: The masses are  m1=0.6 kgm2=2.4 kg Since the system is released from rest its initial velocity u=0…

Q: As part of a safety investigation, two 1200 kg cars traveling at 25 m/s are crashed into different…

A: Mass of car, m=1200kg Initial speed of car, u=25m/s Final speed of car, v=0m/s Time taken to stop…

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: