A whole brick has more mass than half a brick, thus the wholebrick is harder to accelerate. Why doesn’t a whole brick fall moreslowly than half a brick? Explain.

Q: 2. Football tackle between 108-kg player at 9.1m/s and 91-kg player at 6.3m/s. If after tackle they…

A: As per guidelines we are suppose to do only one question from multiple question please post them…

Q: A father of 75-kg took his daughter of 35-kg to ice skating. They push off against one another…

A: Let us consider a father who took his daughter to ice skating. Consider a mass of father be (mf) in…

Q: Suppose a gangster sprays Superman’s chest with 3 g bullets at the rate of 100 bullets/min, and the…

A: According to the conservation of momentum. Force is equal to the Rate of change of momentum,…

Q: Two hockey players approach each other head on, each traveling at the same speed vi . They collide…

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Q: Why is the CM of a 1-m length of pipe at its midpoint,whereas this is not true for your arm or leg?

A: Centre of mass

Q: During a perfectly Elastic Collision (without the presence of any external forces), Kinetic Energy…

A: To Determine During a perfectly Elastic Collision (without the presence of any external forces),…

Q: An 77-kg jogger is heading due east at a speed of 1.2 m/s. A 69-kg jogger is heading 13 ° north of…

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Q: Momentum will be conserved in a two-body collision   only if the kinetic energy of the system is…

A: Conservation of linear Momentum held true for every type of collisions that can be elastic or…

Q: 5. Two bodies of mass m each move with the speed v, forming an angle a with each other (see figure).…

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Q: While chasing an armed suspect into an ice rink, a police constable is shot. Fortunately, the…

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Q: To impart the greatest momentum to an object, should you exert the largest force possible, extend…

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Q: A satellite fires a thruster for 2 seconds to increase its speed by 3.0 m/s. If the satellite is 28…

A: According to the impulse-momentum theorem, we know that the change in momentum of a particle is…

Q: 2. A 10 kg bomb is sliding across an ice rink southward at 6 m/s. It explodes. Piece 1 with a mass…

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Q: A 17-kg child is coasting at 2.60 m/s over flat ground in a 3.90-kg wagon. The child drops a 0.60-kg…

A: Given: The mass of the child is 17 kg. The initial speed of the child is 2.6 m/s. The mass of the…

Q: If a 200 g ball hits a wall on its way down while moving with a velocity of (12î - 5ĵ ) m/s causing…

A: Given: The initial velocity of the object is 12i-5j m/s. The final velocity of the object is -10i+5j…

Q: 4. When the momentum of an object doubles and its mass is constant, its kinetic energy is: a. is…

A: 4)Given, Momentum of an object doubled and mass remais constant   Let mass of object is m and…

Q: The CM of an empty 1200-kg car is 2.50 m behind the front of the car. A.)How far from the front of…

A: Given data The center of mass from behind an empty car is given as COMb = 2.50 m. The mass of the…

Q: A truck with a mass of 1990 kg and moving with a speed of 17.0 m/s rear-ends a 732 kg car stopped at…

A: Since you have posted a question with multiple subparts , we will solve the first three subparts for…

Q: Calculate the final velocity right after a 115 kg rugby player who is initially running at 7.35 m/s…

A: Impulse I = force f ×  time t also impulse is defiened as change in momentum

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

A:

Q: A satellite fires a thruster for 3 seconds to increase its speed by 3.0 m/s. If the satellite is 20…

A: given , mass of the satellite , m = 20 kg speed increased , (final speed - initial speed)= (v-u) =…

Q: A 10 N force is applied to a 15 kg ball to change its velocity from +12 m/s to +6 m/s. The impulse…

A:

Q: 2. A mass = m 4 kg falls from a height of 6.0 m and strikes a wedge of M = 20 kg on wheels. After…

A: Given that:- Mass of block=m=4kg Mass of wedge=M=20kg

Q: A dog, with a mass of 155 kg, jumps horizontally at a speed of 6.0 m / s in a boat that is floating…

A: Given that, Mass of a dog, m1 = 155 kg Speed of the dog, u1 = 6 m/s Initially, the boat was at rest…

Q: A wooden block (0.50 kg) is at rest on top of the table when an object collided with it. The object…

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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: Suppose you have two pucks on flat ice. Puck A has mass 0.150kg and puck B has mass 0.110kg. The…

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Q: A 3-g bullet is fired horizontally into a 6-kg block of wood suspended by a rope from the ceiling.…

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Q: The Figure shows the result of a collision of a 6.00 kg ball with an object located at the origin.…

A: In this question we have to find the mass of the object and the change in kinetic energy as a result…

Q: A 0.7 kg block initially at rest on a frozen frictionless surface is hit by a 0.4 kg block that is…

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Q: 8. If you can run 6.7 m/s (15 miles per hour) while holding a 3.5 Kg (8 pound) shot put, how much…

A: Write the given values with suitable variables. m=3.5 kgv=6.7 m/s Here, m denotes the mass of shot…

Q: Ball 1 of mass 0.12 kg makes an elastic head-on collision with ball 2 of unknown mass that is…

A: Given, Mass of ball 1, m1=0.12 kg Let the velocity of ball 1 before the collision =vi Therefore the…

Q: a soft surface increases the time interval of the change of momentum, which reduce the force on an…

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Q: A 5-lb and a 10-lb ball have speeds of 10 ft/s and -14 ft/s, respectively, as they approach each…

A: As per the conservation law of momentum, Here, p’, p, m, v, and u represent the object’s final…

Q: An explosion breaks a 35.0-kg object into three parts. The object is initially moving at a velocity…

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Q: A ball «A» having a mass of A-kg is connected to a cable and dropped from an attitude of 3m at rest,…

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Q: A rocket is fired in a gravity-free environment in deep space. The rocket has an initial mass of…

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Q: Bob and Jim decide to play tug-of-war on a frictionless (icy) surface. Jim is considerably stronger…

A: Bob will wins, because he is heavier than Jim and the center of mass of the system is closer o him.

Q: thrust of 5.26 N. The mass of the engine plus fuel before liftoff is 24.9 g, which includes fuel…

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Q: If a ball is projected upward from the ground with ten units of momentum, what is the momentum of…

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Q: Two objects undergo an ELASTIC collision. Object 1 is traveling to the right at 5.0 m/s and has a…

A:

Q: A ball «A» having a mass of 9 kg is connected to a cable and dropped from an attitude of 3m at rest,…

A: Mass of A , M1 = 9 kg Mass of B , M2 = 90 kg height , h = 3 m coefficient of restitution , e =0.3…

Q: At an amusement park there are 200-kg bumper cars A, B, and C that have riders with masses of 40 kg,…

A:

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: