A car traveling at 50 km/h hits a bridge abutment. A passenger in the car moves forward a distance of 78 cm (with respect to the road) while being brought to rest by an inflated air bag. What magnitude of force (assumed constant) acts on the passenger's upper torso, which has a mass of 43 kg?

Q: A force of magnitude 9.65 N pushes three boxes with mass M1=1.30 kg, and M2=3.20 kg, and M3=4.90 kg.…

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Q: Two teams of four members each engage in a tug of war. Each of the first team’s members has an…

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Q: A freight train consists of two 8.00x104 kg engines and 45 cars with average masses of 5.50x104 kg.…

A: Let F be the force with which the engines pull the cars, f be the frictional force acting backwards…

Q: A block with mass of m = 2 kg is placed on top of a block with a mass m2 = 4 kg. A horizontal force…

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Q: Two blocks are in contact on a frictionless table. A horizontal force is applied to the larger…

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Q: A train consists of 50 cars, each of which has a mass of 7.50 × 103 kg. The train has an…

A: Given: mass of each car, m = 7.50 × 103 = 7500 kg numbers of car, n = 50  acceleration of train, a =…

Q: THREE 5-KG PACKAGES A, B, AND C ARE PLACED ON A CONVEYOR BELT THAT IS AT REST. BETWEEN THE BELT AND…

A: We can assume that if the boxes are to move, they will move to the left side. So we can say that if…

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: Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades…

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Q: A hot-air balloon of mass 250 kg is descending vertically with downward acceleration of magnitude…

A: Solution: Given that mass M = 250 kg downward acceleration, a = 1.6 m/s2 mass to be thrown out to…

Q: A cube of mass m1=5.4 kg is sitting on top of a second cube of the same size and mass m2=0.5 kg…

A: Given: mass m1 = 5.4 kg. mass m2 = 0.5 kg.

Q: A man is standing in a room with a low ceiling. He has raised his arms and pushing against the…

A: The objective of the question is to find out the force exerted by the floor on the man. This can be…

Q: A 1 000-kg car is pulling a 300-kg trailer. Together, the car and trailer have an acceleration of…

A: Hey, since there are multiple subparts question posted, we will answer first three questions. If you…

Q: Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades…

A: Its given that:

Q: Two forces FA and FB are applied to an object whose mass is 19.9 kg. The larger force is FA. When…

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Q: Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades…

A: Mass of man, M = 90 kgMass of woman, m = 56 kgForce due to east, F = 49 N

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: Sasha is dragging some hockey equipment across the ice rink. The equipment (object 1) has a mass of…

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Q: A brave but inadequate rugby player is being pushed backward by an opposing player who is exerting a…

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Q: he air exerts a forward force of 10 N on the propeller of a 0.40 kg model airplane. If the plane…

A: To determine,the magnitude of the resistive force(FR )exerted by the air on the airplane.given,Force…

Q: Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades…

A: Given data The mass of the man is, Mm= 93 kg The mass of the woman is, Mw= 55 kg The force by a…

Q: A 39 kg girl and a 7.7 kg sled are on the frictionless ice of a frozen lake, 10 m apart but…

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Q: Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades…

A: Given data,Mass of the man Mass of the woman Push force due east.

Q: The drawing shows a 20.5-kg crate that is initially at rest. Note that the view is one looking down…

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Q: A pickup truck is carrying a 10.0 kgkg toolbox, but the tailgate of the truck is missing, so the box…

A: Given Mass of the tool box m = 10.0 kg Coefficient of kinetic friction μs = 0.34 Coefficient of…

Q: Two teams of nine members each engage in tug-of war. Each of the first team's members has an average…

A: Given The average force on the right is F1=1450 N. The average force on the left is F2=1635 N. The…

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

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Q: wo people, one of mass 100 kg and the other of mass 50 kg, stand facing each other on an ice-covered…

A: Given data- Heavier person MH=100 kg Lighter person ML=50 kg The heavier person pushes on the…

Q: A 2 kg object accelerates at a rate of 5 m/s2 to the left, under the influence of two opposing…

A: Mass , m = 2 kg Acceleration , a = 5 m/s2  F1 = 20 N to the right . To find = Magnitude and…

Q: A freight train consists of two 8.00 x 104-kg engines and 45 cars with average masses of 5.00 x 104…

A:

Q: Two people, one of mass 100 kg and the other of mass 50 kg, stand facing each other on an…

A: Givan data: The mass of the heavier person, M=100 kg The mass of the lighter person, m=50 kg The…

Q: The barrel pushes back with a force of magnitude (Answer in N.)

A:

Q: net force of 20 N is acting on a falling object. The object experiences air resistance of 6.0 N. If…

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.