3.  A 6.00 kg block located on a horizontal floor is pulled by a cord that exerts a force F = 24.3 N at an angle θ = 18.0° above the horizontal, as shown in the Figure. The coefficient of kinetic friction between the block and the floor is 0.210. Calculate the magnitude of the momentum of the block 3.90 s after it starts moving.

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ent G An impulse of 12.2 kg*m/s is deli x 361242/take 10 p Question 1 A warehouse employee is pushing a 30.0 kg desk across a floor at a constant speed of 0.50 m/s. What is the magnitude of the momentum of the desk? O 0.017 kg*m/s O 15.0 kg*m/s O 60 kg*m/s O 30.5 kg*m/s Question 2 10 pts Norton Antivirus: 19.99/YE Your special price is valid to Google Chrome istudy-helper.co The momentum of a 12kg dog racing to greet its owner has a Norton What is the dog's speed? Install O a Cop

A car, with a mass of 1240 kg, is moving towards an intersection at a velocity of 26.6 m/s towards the South. At the intersection, it collides with a truck that has a mass of 1580 kg and is moving with a velocity of 14.0 m/s towards the West. When they collide, the two vehicles stick together. 15. The magnitude of the final velocity for the car and truck is Answer to 3 significant digits. m/s. (Record your answer in the numerical-response section below.) Your answer:

Block A of mass m = 1.48 kg moving on a horizontal plane with velocity of vj = 1.71 m/s collides with Block B of the same mass at rest before the collision. After the collision, Block A stops. What is the velocity of Block B Vf after collision? Assume there is no friction between the blocks and the horizontal plane. Keep three significant figures for the answer.

You drop a steel ball and a clay ball, both of the same mass, from the same distance. The steel ball strikes the ground and rebounds with almost the same speed. The clay ball strikes the ground and sticks. Assume the collisions occur over roughly the same amount of time. Which ball exerted a greater force on the ground? Select the correct answer with the best explanation. A. The two exert the same force. Since they collide with the same initial momentum, they will exert thesame force.B. The clay ball exerts the greater force. Since it starts with some momentum and ends with no momen- tum, it undergoes a greater change in momentum than the steel ball, which rebounds with the same momentum (no change).C. The clay ball exerts the greater force. All of its energy is transferred to the floor, whereas the steelball rebounds with the same kinetic energy, doing no work on the floor.D. The steel ball exerts the greater force. Since it starts with some momentum and it reverses the direction of…

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The figure below shows a bullet of mass 230g traveling horizontally towards the east with a speed of 415m/s, which strikes a block of mass 7.5kg that is initially at rest on a frictionless table. After striking the block, the bullet is embedded in the block and they begin to move as one unit.  A. What is the magnitude (in m/s) and direction of the velocity of the block/bullet unit immediately after the impact? B. What is the magnitude (in N * s) and direction of the of the impulse of the block on the bullet?  C. What is the magnitude ( in N *s) and direction of the impulse of the bullet and the block?

A 6.3 kg body is initially moving northward at 19.5 m/s. Then a force of 8 N, toward the east, acts on it for 1.9 s. (a) At the end of the 1.9 s, what is the body's final velocity? (b) What is the change in momentum during the 1.9 s? (a) v= m/s at north of east (b) Ap = kg m/s (select) (select) northeast east north