The driver of a car (1100 kg) traveling at 30 m/s on dry concrete sees a deer in the distance and slams on the brakes and skids to a stop. How far does the car travel before stopping?

Q: An archer pulls a bowstring back a distance of 20 cm with an average force of 85 N. The arrow has a…

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Q: A bowling ball weighing 61.5 N initially moves at a speed of 4.00 m/s. How long must a force of 42.5…

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Q: Construction workers are building a new skyscraper in a major city. A crane operator is using a…

A: The box of supplies being lifted by a crane has a mass of 687 kg. As this box is being lifted, the…

Q: An airplane is delivering food to a small island. It flies 100 mm above the ground at a speed of 140…

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Q: The block of mass m = 2 kg is released from the rest on the incline. If 0 = 15°, what is the…

A: mass of block (m) = 2 kg θ = 15 degree t = 2 seconds μs = 0.3μk = 0.2

Q: A 100 kg football player is traveling at 11 m/s when he is stopped in 0.1 seconds. What was the…

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Q: How long does it take him to reach the south shore?

A: Conservation of linear momentum According to the law of conservation of linear momentum, the linear…

Q: A box of mass 7.3 kg is slid along the floor. The initial speed of the box is 6 m/s and it comes to…

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Q: A tired cyclist on a bicycle (102.0 kg combined) starts with an initial velocity of 15.0 m/s at the…

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Q: A 1000-kg automobile enters a freeway on-ramp at 20 m/s and accelerates uniformly up to 40 m/s in a…

A: First of all we have to calculate the acceleration of the automobile. Acceleration of an object is…

Q: A child with mass of 16.5 kg stands on the edge of a park bench and leaps into the air. Her initial…

A: The horizontal component of velocity is always constant as there is no acceleration in the…

Q: A bowling ball weighing 60.0 N initially moves at a speed of 4.20 m/s. How long must a force of 47.5…

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Q: A 60 kg object traveling at a speed of 80 m/s is suddenly brought to rest in a time of 0.4 seconds.…

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Q: A 91 kg janitor wearing running shoes is running across an ice rink at a speed of 3.2 m/s. They try…

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Q: An 85 kg man lowers himself to the ground from a height of 10.0 m by holding onto a rope that runs…

A: The net force on the man is

Q: A rocket sled accelerates to 41 m/s. When the rocket engine stops, the sled skids along its rails.…

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Q: A hockey puck (mass = 4 kg) leaves the players stick with a speed of 12 m/s and slides on the ice…

A: Deceleration  a = 0.3 × 9.8 =   2.94 m/s².

Q: A 1.4 gram bullet is shot into a tree stump. It enters at a velocity of 341 m/sec and comes to rest…

A: To determine,the force on the bullet during impact.given,time to strike the stump(t)=0.00032…

Q: A child riding a bicycle has a total mass of 30.6 kg. The child approaches the top of a hill that is…

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Q: Dae-hyun, a man of mass 72 kg, steps from a table 92 cm to the floor below. Assume that his velocity…

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Q: A car of mass 6000 kg moving at 40 m/s is suddenly brought to a stop when a deer crosses the road.…

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Q: A small rocket is launched straight up. When at a height of 5.0km and velocity of 200.0m/s, it…

A: Here, we have  v0=200 m/s

Q: A car (mass 1000 kg) is traveling at 60 mph (26.82 m/s) when the driver notices a cat 50 m ahead in…

A: The car’s acceleration is calculated from the kinematics equations, Since the car comes to a stop,…

Q: A commercial airplane is coming in for a landing. Just before it hits the runway it is moving at 76…

A: a=v2-u22d=0 m/s2-76 m/s221.6km103 m1 km=-1.81 m/s2

Q: A student pushes a 12-kg block on a frictionless, horizontal surface If the block is initially at…

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Q: During a head on collision, the passengers in the front seat of a car accelerate from 13.3m/s to…

A: According to Newton's Second Law of motion The net external force on an object is given by F = M…

Q: An object has a velocity (4.69 m/s)i + (-4.4 m/s)j + (4.73 m/s)k. In a time of 5.5 s its velocity…

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Q: A 1500 kg automobile travels at a speed of 105 km/h along a straight concrete highway. Faced with an…

A: Given : Mass of car, m = 1500 kg             Initial velocity of car, u = 105 km/hr = 105000/3600…