An advertisement claims that a particular automobile can “stop on a dime.” What net force would be necessary to stop a 850 kg automobile traveling initially at 45.0 km/h in a distance equal to the diameter of a dime, 1.8 cm?

Q: A rock of mass m = 1.9 kg is released from a height of h = 3.2 m into a basin of water. At a time of…

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Q: Alex is asked to move two boxes of books in contact with each other and resting on a rough floor. He…

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Q: pine sphere (??pine = 0.545 g/cm3) with a radius of 10.0 cm is connected to a large iron anchor with…

A: tension  when body in air = mg = v d g  = 4πr3dg /3 v= volume = 4/3 πr3 = 4 x3.14 x 0.13 /3…

Q: Training is over, and the zombie apocalypse is upon us. You are at the top of a 50-m-high hill. A…

A: The velocity of the car at the bottom of the hill is:

Q: A 2-kg body of mass is moving on a horizontal frictionless surface with a velocity of 4 m/s. What is…

A: Mass of body (m) = 2 kg velocity (v) = 4 m/s time (t) = 5 seconds

Q: A 3 kg box is displaced at a rate of 5 m/s. How much force is required to stop the box in 0.8…

A: The acceleration is given by  a =v - ut where,  v is the final velocity, u is the initial velocity,…

Q: 4. An electric motor is used to pull a 125 kg box across a floor using a long cable. The Fi tension…

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Q: The driver of a Bugatti Veyron experiences a force of magnitude 792 N while accelerating from rest…

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Q: A 160 lb person has a mass of 160/32 = 5 slugs. A 160-lb person steps into an elevator and stands on…

A: Given: The mass of the person is m=160 lb. Let W is the apparent weight. The expression for…

Q: What force is necessary in order to change the velocity of a 2.00 kg object from -4.00 m/s to +3.00…

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Q: A person traveling in a 2,000 kg car at a constant speed of 40.0 m/s applies the brakes, causing a…

A: Given:Mass of the car = 2,000 kgInitial speed of the car = 40 m/sFinal speed of the car = 0Force…

Q: Scientists are experimenting with a kind of gun that may eventually be used to fire payloads…

A:

Q: The average speed of a nitrogen molecule in air is about 6.7 x 10^2 m/s, and its mass is 4.68 x…

A:

Q: A fisherman has caught a very large, 5.0 kg fish from a dock that is 2.0 m above the water. He is…

A: Here,

Q: A 2500 kilogram truck is moving initially with a velocity of 10.00 meters per second. To change its…

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Q: A man is texting on his phone as he drives his car at 40 kmph, he suddenly notices a child is…

A: Given : m1 = 4000 kg m2 = 60 kg Total mass m = 4060 kg u = 40 km/h = 11.11 m/s v = 0 t = 2 s

Q: In 1896 in Waco,Texas,William Crush parked two locomotives at opposite ends of a 6.4-km-long track,…

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Q: A 110 g hockey puck sent sliding over ice is stopped in 15 m by the frictional force on it from the…

A:

Q: A 7-m-diameter hot air balloon that has a total mass of 350 kg is standing still in air on a…

A: The expression for the required acceleration is,

Q: The net force on block A equals to 47.4 N, and the mass of block A is 14.5 kg.  If at t=0 sec, the…

A: Write the given data with suitable variables. F=47.4 Nm=14.5 kgu=0 m/st=4.8 s Here, F denotes the…

Q: You drive an automobile of mass 2.10 x 103 kg from sea level to the top of a mountain 2.05 km high.…

A: Given: mass of automobile m= 2.10× 103 kg Height at which automobile reached from sea level h = 2.05…

Q: A car of mass 1.2  103 kg is traveling east at a speed of 24 m/s along a horizontal roadway. When…

A: Given: Mass of car is M=1.2×103kg The initial speed of the car is Vinitial=24m/s brakes are applied…

Q: An advertisement claims that a particular automobile can “stop on a dime.” What net force would be…

A:

Q: A hockey puck with a mass of 0.2 kg is sliding along ice that can be considered frictionless with a…

A:

Q: When Fatima rides her bicycle at 5 m/s, the drag force acting on her and her bicycle is 6 N. If she…

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Q: A shot putter threw a 7.26-kg steel ball a horizontal distance of 17.5 meters. The shot was released…

A: horizontal distance = X = 17.5 m height = h = 2.07 m angle = 450

Q: A 1480 kg pile driver is used to drive a steel I-beam into the ground. The pile driver falls 6.43 m…

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Q: A driver in a 1500-kg car driving at 10.0 m/s gently presses the brakes momentarily. The brakes…

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Q: Recently, the Amazon and Virgin groups launched commercial space flights. These flights do not store…

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Q: A fisherman is fishing from a bridge and is using a "30.0-N test line." In other words, the line…

A: The force F=30.0N  To find the constant speed and the acceleration whose magnitude 2.04m/s

Q: A nucleus that captures a stray neutron must bring the neutron to a stop within the diameter of the…

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Q: A 1.9 kg otter starts from rest at the top of a muddy incline 84.1 cm long and slides down to the…

A: Given that,The mass of otter : m = 1.9 (kg)The length of muddy inclination : d = 84.1 (cm)The time…

Q: An advertisement claims that a particular automobile can "stop on a dime." What net force would…

A: Consider the x-axis is the positive direction.   Mass of the automobile,   In this case, the force…

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: