Calculate the momentum of a 9.67-kg object moving at 9.76 m/s. Input your answer in kg-m/s using 3 significant figures.
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- A 50 lb child runs at 2.0 m/s and jumps onto a shopping cart and holds on for dear life. The cart has a mass of 40 kg. Assuming the child rides on the cart after the collision. What is the speed of the child and shopping cart just after the child jumps on is? 3.1. An apple that weighs 2.7 N falls vertically downward from rest for 1.4 s. (a) What is the change in the apple’s momentum per second? (b) What is the total change in its momentum during the 1.4-second fall?Explain and lable the problem.Two blocks are released from rest on either side of a frictionless half-pipe (see the Figure below). Block B is less massive than block A. The height HB from which block B is released is less than HA, the height from which block A is released. The blocks collide elastically on the flat section. HA B HB 1) After the collision, which is correct? Block A rises to a height greater than HA and block B rises to a height less than HB. Block A rises to a height less than HA and block B rises to a height greater than HB. Block A rises to height HA and block B rises to height HB. Block A rises to height HB and block B rises to height HA. The heights to which the blocks rise depends on where along the flat section they collide. Submit
- It is generally a good idea to gain an understanding of the size of units. Consider each object and calculate the magnitude of their momentum in SI units. A ladybug with mass 28.50 milligrams flies by your head at 3.75 km/h. magnitude of the momentum: kg-m/s A 37.90 km boy walks at 4.05 km/h. magnitude of the momentum: kg-m/s A car with mass 841 kg is moving at a speed of 41.3 km/h. magnitude of the momentum: kg-m/sThe diagram shows the momentum vectors of two balls after they collide at the origin. Similar to experiment 8, only one ball was initially moving. Determine the magnitude of its initial momentum if the smallest square is 0.2 kg m/s. Format of answer: #.##. 7Two objects collide head-on (see figure below). The first object is moving with an initial speed of v1i = 7.94 m/s and the second object is moving with an initial speed of v2i = 10.00 m/s. Assuming the collision is elastic, m1 = 5.17 kg, and m2 = 6.29 kg, determine the final velocity of each object. (Indicate the direction with the sign of your answer. Positive is to the right, and negative is to the left. Due to the nature of this problem, do not use rounded intermediate values in your calculations—including answers submitted in WebAssign.)
- Please help me understand the concept of this practice problem and how to work these types out. ThanksA0.014-kg bullet is fired intoa stationary block of wood of mass of 4.51 kg. The relative speed of the bullet with respect to the wood is zero after collision (The bullet becomes embedded in the block of wood). What is the speed of the bullet-plus-wood combination immediately after collision if the speed of the bullet before collision is 476 m/s? Express yourlanswer in two decimal places and with units of m/s.A 1425 kg truck driving at 13.0 m/s collides elastically with a stationary 1175 kg car. If the car is traveling 14.25 m/s just after the collision, what is the velocity of the truck immediately after the collision? Assume that this is a perfectly elastic collision. Round your answer to the hundredths place. Final velocity of the truck = m/s