Q: If the velocity of an object doubles, how the momentum and the kinetic energy of the object change?…
A: Consider an object of mass m is moving with a velocity v. Show the expression for the initial…
Q: The statement, "The total momentum P of an isolated system is a constant" is known as the law of the…
A: Given data: The total momentum of an isolated system is constant.
Q: Find the total momentum of the closed system, in order to do so you need to find the momentum of…
A:
Q: In the conservation of linear momentum, is the change in momentum zero? True False
A: Change in mentum is zero. m1v1-m2v2=0. m1v1=m2v2.
Q: A 640 g toy car moving east has a kinetic energy of 0.348 J. The magnitude of its momentum is
A:
Q: The SI unit of momentum is kg O kg · m O none of the given answers is correct O kg
A: Momentum is the multiplication of mass and velocity.
Q: since the initial mass is m, the first piece m1 = m/4, shouldn't the other two masses sum: m2 + m3 =…
A: Please see the correct solution below.
Q: Two objects of masses 1 x 10-3 kg and 4 x 10-3kg have equal momentum. What is the ratio of their…
A: According to the conservation of momentum, the two objects have equal momentum.Substitute the values…
Q: A force on a particle of mass m is given by F= 6t i + 16t3 j, where F is in N and t is in s. What…
A: Given : F= 6t i + 16t3 j where F is in N and t is in s To determine : The change of the particle…
Q: A 3.00-kg particle has a velocity of (3.00î - 4.00ĵ) m/s. (a) Find its x and y components of…
A: Mass, m = 3.00 kg Velocity, v = (3.00î - 4.00ĵ) m/s
Q: To impart the greatest momentum to an object, should you exert the largest force possible, extend…
A:
Q: Can a net force of magnitude zero acting on an object change the momentum of that object?
A: According to Newton’s second law, force acting on a body is given as the rate of change of momentum…
Q: Compute the momentum of a car having mass 340 kg moving with a velocity 24 m/s.
A: Given, Mass of car (m) = 340 kg Velocity of car(v)= 24 m/s We want to find momentum of car
Q: Taking the density of air to be 1.29 kg/m^3, what is the magnitude of the linear momentum of a cubic…
A:
Q: Must the total energy of a system be conserved whenever its momentum is conserved? Explain why or…
A: Given: momentum and energy
Q: An object can be travelling upward and slowing down; its momentum is southward? True or False
A: Momentum of any object is given by the product of the object's mass and the object's velocity.…
Q: A ball of mass 1.0 kg falls vertically and hits the ground with a speed of 7 m/s and rebounds with a…
A: Mass of the ball is m = 1.0 kg When it hits the ground its speed is v1 = 7 m/s When it rebounds, its…
Q: A system of particles is known to have zero momentum. Does itfollow that the kinetic energy of the…
A: A system of particles is known to have zero momentum when the particle moves in the opposite…
Q: A 2.98 kg particle has a velocity of (3.05 - 4.09 ) m/s. (a) Find its x and y components of…
A: Given:Mass of the particle = 2.98 kgVelocity of the particle = (3.05i - 4.09j) m/s.
Q: A person of mass 49.5 kg stands at rest. How much will the average force exerted on the feet by the…
A: Given that:- Mass of man=49.5kg
Q: Can momentum be conserved for a system if there are external forces acting on the system? If so,…
A: According to Newtom's second lawF=ddtmv
Q: Which of the following is not always conserved for an isolated system? Group of answer choices a)…
A:
Q: A hockey puck of mass 150 g is sliding due east on a frictionless table with a speed of 10 m/s.…
A:
Q: Momentum is a vector quantity.Conversely the linear momentum can be change only by a net of external…
A: Solution:
Q: By what factor does an object’s kinetic energy change if its speed isdoubled? By what factor does…
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Q: A cart of mass 2 kg moves with a velocity of 0.5 m/s along the negative x-direction. The momentum of…
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Q: What is the magnitude of the momentum of a 3200 kg car traveling at 11 m/s?
A: Solution
Q: What external force is responsible for changing the momentum of a car moving along a horizontal…
A: Given: Need to find the external force responsible for changing the momentum of a car…
Q: In which case is the momentum of a particle of mass m and velocity v O a. W=Fx (Nm) O b. p-mv…
A: Momentum: Momentum is given as product of mass and velocity. Momentum is a vector quantity.…
Q: At what speed (in m/s) would a 2.87 x 10* kg airplane have to fly to have a momentum of 1.51 x 10°…
A:
Q: In which situations the momentum of the system is conserved *
A: Momentum
Q: The conservation of momentum states that if the vector sum of the external forces on a system is…
A: If the net force on the system is zero then the the conservation of momentum is applied. Means the…
Q: A constant net force of 14.3 N directed in the x-direction is exerted on a 2.2 kg object for a time…
A:
Q: Two objects of different masses have momentum of equal, non- zero magnitude. Which object has more…
A: If an object has mass 'm' and velocity 'v' then the momentum of the object is given by p=mv and the…
Q: what is the magnitude of the momentum of a 0.26kg ball traveling at 42 m/s
A: mass of ball = 0.26 kg velocity of ball = 42 m/s
Q: A bicycle has a momentum of 24kg x m/s. What momentum would the bicycle have if it had twice the…
A: The momentum depends on two parameters, which is mass and speed.It is directly proportional to mass…
Q: Show that the kinetic energy of a particle of mass m is related to the magnitude of the momentum p…
A: according to momentum law, p=mv where p is momentum , m is mass and v is velocity kinetic energy =…
Q: Is momentum a vector? If so, in what direction does it point?
A: Momentum (p): The total amount of motion present in the body is called momentum of that body.…
Q: The total momentum of a system is changing. Which of the following is true? O The particles of the…
A: STEP1: LET US UNDERSTAND THE CONCEPT OF THE PROBLEM. According to Newton's second law of motion ,…
Q: A ball of mass 250 g is thrown with an initial velocity of 25 m/s at an angle of 30° with the…
A: Use vector components of momentum
Q: 6.3 PQ1 Newton's second law can be stated that the force is equal to the rate of change of momentum,…
A:
Q: The rate of change of linear momentum of a body falling freely under gravity is equal to it's ____ ?…
A: Answer: The expression of rate of change of momentum is given by, p=mv...…(1) Here, m is the mass of…
Q: Which of the following statements is/are true? I. When a ball is thrown upward in air, its momentum…
A: Let's briefly analyse each statement. I. We know that momentum is not conserved as gravity in…
Q: A person of mass 45.0 kg stands at rest. How much will the average force exerted on the feet by the…
A:
Q: if a 2 kg object is moving with a velocity of 3.5 m/s to the north direction, how much is its…
A: The momentum of the object and kinetic energy of the object is 7kgm/s to north , 12.25 J ( option A…
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- A hockey puck of mass 150 g is sliding due east on a frictionless table with a speed of 10 m/s. Suddenly, a constant force of magnitude 5 N and direction due north is applied to the puck for 1.5 s. Find the north and east components of the momentum at the end of the 1.3-s interval.Is momentum a vector? If so, in what direction does it point?When a cannonball is fired, momentum is conserved for the system of cannon plus cannonball. Would momentum be conserved for the system if momentum were not a vector quantity? Explain.
- A sprinter with a mass of 79 kg reaches a speed of 8 m/s during a race. Find the sprinter's linear momentum (in kg • m/s). (Enter the magnitude.) kg • m/sThe following statement are correct about scalar and vectors except: A Scalar is a real numbers and examples of these are Density, Work and Energy B) Impulse and Momentum are the examples of Vector C A scalar has a real numbers while vectors have a direction only D A vector is a real number with direction e.g. workIs momentum a vector or a scalar? vector b scalar
- A guy running drops from a tower to the ground. The height of the tower is 8 m. (a) How fast is the person going when he hits the ground (assuming no air resistance)? (b) If the person's mass is 65 kg, what is his momentum when he hits the ground? (c) If he lands and bends his knees, he comes to rest in 0.2 sec. What force is being exerted on his legs to stop him?what momentum does a car of mass 1,762 kg have if its traveling at 11.3 m/s? answer in exponential form.Two cars are involved in a crash. (No one was hurt in the accident.) If the total momentum is 4120 kg•m/s after the collision, what is the total momentum before the collision?
- When the velocity of an object is doubled, by what factor is its momentum changed? By what factor is its kinetic energy changed?A 0.14 kg baseball is dropped from rest from a height of 2.0 m above the ground. What is the magnitude of its momentum just before it hits the ground if we neglect air resistance?A bicycle has a momentum of 15 kg•m/s. What momentum would the bicycle have if it had double the mass and was moving at the same speed and in the same direction?