An automobile has a head-on collision. A passenger in the car experiences a compression injury to the brain. Is this injury most likely to be in the front or rear portion of the brain? Explain.

Q: A car with a mass of 1010 kg and a speed of v = 20.0 m/s approaches an intersection, as shown in the…

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Q: A 35-g bullet is fired into a wooden block of 10 kg which is sitting on the surface with a kinetic…

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Q: A rocket accelerates by burning its onboard fuel, so its mass decreases with time. Suppose the…

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Q: If you throw a raw egg against a wall, you’ll break it. But when Peter Hopkinson throws an egg at…

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Q: 4)A large Mass mA = 2.50 kg travelling at 25.0 m/s crashes head-on into a smaller mass m which is…

A: a) Collisions conserve momentum mAvA+mBvB=mAv'A+mBv'B Substitute 2.50 kg×25.0 ms+7.50 kg×0 ms=-2.50…

Q: If you lower the window on a car while moving, an empty plastic bag can sometimes fly out the…

A: The Bernoulli’s principle for the constant depth is given as, Here, P is the pressure, v is the…

Q: Fish 1 with a mass of 3.89 kg swimming at 2.43 m/s swallows a 1.25 kg fish (fish 2) that was…

A: By conservation  of momentum m1u1 + m2u2 =(m1 + m2) v where m1=3.89kg m2= 1.25kg u1=2.43 m/s u2=…

Q: Albert is driving a 1200kg car towards east at 40m/s (90mi/hr.) approaching a red light. He collides…

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Q: A car (mass = 1120 kg) is traveling at 33.0 m/s when it collides head-on with a sport utility…

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Q: How can you increase the linear momentum of something? (A) A. Increase its mass. B B. Increase its…

A: Linear momentum is given by P=m×v where, m= mass v= velocity

Q: Which of the following three bullets (all of the same length and diameter) can do greater damage to…

A: Amount of damage will depend on the kinetic energy(E) of the bullet which is given by:- E=mv22 Here,…

Q: Is it possible for a baseball to have as large a momentum as a much more massive bowling ball?…

A: Momentum (p) is given by, Here, m denotes the mass of the body and v denotes the velocity.

Q: Three cars, car A, car B, and car C, begin accelerating from rest at the same time. Car A is more…

A: initial speeds of all the three cars is 0 m/s mass of car A is more than mass of car B . mass of car…

Q: A 3-g bullet is fired horizontally into a 10-kg block of wood suspended by a rope from the ceiling.…

A: Given data: The mass of the bullet is mb=3 g. The mass of the block is mbk=10 kg. The height of the…

Q: 1) Two freight trains have a completely inelastic collision at a track crossing. Engine 1 has a mass…

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Q: 2) In a game of curling, a collision occurs between two stones of equal mass. The object stone is…

A: Given data: The velocity of the ball v1=0.56 m/s The velocity of the object v2=0.42 m/s Angle ϕ=30°

Q: A 0.700 kg hammer is moving horizontally at 4.50 m/s when it strikes a nail and comes to rest after…

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Q: A 0.700 kg hammer is moving horizontally at 6.50 m/s when it strikes a nail and comes to rest after…

A: Given  Mass m = 0.7 kg  Initial velocity u = 6.5 m/s  Final velocity v = 0  Displacement s = 1 cm =…

Q: What object would have greater momentum? A baseball thrown at 89mph or a skateboarder riding down a…

A: The momentum of an object is the product of its mass and velocity i.e. p=mv. Now, when the velocity…

Q: The applied momentum and the final momentum acquired: A. will never be the same B. will always be…

A: Sol. The applied momentum and the final momentum acquired by the body is same. If external force…

Q: Professional Application - One hazard of space travel is debris left by previous missions. There are…

A: m =  0.1 mg  v = 40 m/s  t = 60 s

Q: What is impulse equal to? A) Change in momentum B) Change in force C) Change in velocity D) Change…

A: The large amount of force acts an object for a very small duration of time, it is called impulse.…

Q: If you carry a heavy bag of groceries and bang your hand against the wall, the concept that best…

A: Here, the situation is we carry a heavy bag of groceries and bang our hand against the wall , we…

Q: A rifle of mass 5.0 kg exerts an explosive force along the 0.50 m length of the barrel causing a 50…

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Q: One billiard ball is shot east at 2.00 m/s. A second, identical billiard ball is shot west at 1.00…

A: a) The law of momentum conservation, The mass of both billiard balls are same, therefore,

Q: Automobiles are designed with “crumple zones” intended to collapse in a collision. Why would a…

A: Crumple zones are areas of vehicle designed for the safety of inner part of the vehicle as well as…

Q: A big truck, traveling toward the right at 30 mph, collides with a small car traveling toward the…

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Q: 5. In a collision between two cars, which would you expect to be more damaging to the passengers:…

A: To explain : Which situation is more damaging for the passengers in two cars :a) the cars collide…

Q: Which of the following has more momentum? A jeepney at rest or a student running to attend his…

A: Momentum is directly proportional to the mass and velocity. p=mv

Q: An air bag inflates when a collision occurs, pro- tecting a passenger (the dummy in Figure CQ6.12)…

A: When collision occurs, car suddenly comes to rest. That is rate of change of momentum during…

Q: 37. Suppose that an object is pushed with a steady force along a frictionless surface. When you…

A: Step1 - Finding out what we will get by given multiplications.              Let us suppose we get a…

Q: A body of mass 5kg is moving with an initial momentum of 75 kg m / s. A force is applied to it so…

A: The expression for Force F is given as, F→ = dP→dt where dP is the change in momentum over a time…

Q: A 5.75 x 10-kg rocket takes off from the moon where the acceleration due to gravity is 1.60 m/s2 by…

A: Given, mr=5.75×103 kgv=2.20×103 m/sdmdt=5 kg/sg=1.6 m/s2

Q: 4. A vessel at rest explodes, breaking into three pieces. Two pieces, having equal mass, fly off…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Suppose Batman, starting from rest in the figure below, collides with the Joker at a height of 1.2 m…

A: Given: mass of batman Mb = 80 kg mass of Joker MJ = 70 kg starting height of batman h =5m

Q: How much momentum will a dumbbell of mass 10 kg transfer to the floor if it falls from a height of…

A: Given : Mass of the dumbbell (m) = 10 kg Distance covered by the dumbbell (s) = 80 cm = 0.8 m…

Q: Context We want to calculate the time that will elapse before two vehicles collide. The two…

A: Apply the second kinematic equation for vehicle A and substitute the required values. Apply the…

Q: A 0.550 kg hammer is moving horizontally at 8.50 m/s when it strikes a nail and comes to rest after…

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Q: A 5000.0-kg truck moving rightward with a speed of 5.00 km/hr collides head-on with a 1000.0-kg car…

A: given data, mass of the truck , mt = 5000 Kg mass of the car, mc =1000 Kg initial speed of the truck…

Q: Question 3: There is an air hockey table in the treehouse! Find the x and y components of the final…

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Q: A 80° B 50° V JB

A: Given: Initial mass of the coconut is M. Mass of piece C is 0.3M. Mass of piece B is 0.2M. Final…

Q: A 0.900 kg hammer is moving horizontally at 4.50 m/s when it strikes a nail and comes to rest after…

A: Given  Mass, M = 0.900 kg  Velocity, U = 4.50 m/s  Come to rest after driving  1.0 cm into board

Q: Two cars are driving down the street. The Toyota car traveling straight north has a momentum of…

A: The total momentum before and after the collision remains conserved . take momentum in north as…

Q: A 2.00 kg ball falls off a 200.00 cm high wall. If the time during the collision is 0.050 seconds,…

A: Given: m =2.00 kg h =200 cm =2 m t =0.05 sec

Q: How can you increase (↑↑)  the momentum of an object?

A: By the formula of momentum ( P) Is equal to mass (m) times velocity (v) Or P= mv Thus by increasing…

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: