A small block of mass Mis released from rest at the top of the curved frictionless ramp shown above. The block slides down the ramp and is moving with a speed 3.5vo when it collides with a larger block of mass 1.5M at rest at the bottom of the incline. The larger block moves to the right at a speed 2vo immediately after the collision. Express your answers to the following questions in terms of the given quantities and fundamental constants.
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Q: A billiard ball moving at 5.80 m/s strikes a stationary ball of the same mass. After the collision,…
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- Hoping for complete solutions since I’m having a hard time with this. Pls skip if unsure or not willing to answer the subitems (these are all connected for one item). Thanks in advanced! A puck with mass mA = 3.14 [g] moves eastward with speed vA = 6.25 [m/s]. It then collides with anotherpuck of mass mB = 2.99 [g] and is moving northward with a speed vB = 3.65 [m/s]. After the collision,puck A now moves at 34.0° north of east, while puck B moves at 35.0° south of east. A. What are the speeds of the two pucks after the collision? B. Is energy lost or gained in the system? Support your answer by calculating the change inmechanical energy of the system.Activity 2. A 400N body starts up a 30° incline (µ = 0.2) with a velocity of 3m/s. How long must a 500N horizontal force act on the body to increase its velocity to 8m/s? How far will the body travel while the force is acting? (For the First Solution, apply the Resultant Impulse Equation) (For the Second Solution, apply the Impulse-Momentum Equation) (Ans. t = 1.79s; s = 9.85m) |400N 500NActivity 2. A 400N body starts up a 30° incline (µ = 0.2) with a velocity of 3m/s. How long must a 500N horizontal force act on the body to increase its velocity to 8m/s? How far will the body travel while the force is acting? (For the First Solution, apply the Resultant Impulse Equation) (For the Second Solution, apply the Impulse-Momentum Equation) | 400N 500N_
- A rod of length 3 meters with density 8(x) = 1.1 + 1.1x4grams/meter is positioned along the positive x-axis, with its left end at the origin. Find the total mass and the center of mass of the rod. Round your answers to four decimal places. The total mass of the rod is i The center of mass of the rod is i grams. meters.Dizzy is speeding along at 22.8 m/s as she approaches the level sectloh of thrack Hear LHe loading dock of the Whizzer roller coaster ride. A braking system abruptly brings the 328-kg car (rider mass included) to a speed of 2.9 m/s over a distance of 5.55 meters. Determine the braking force applied to Dizzy's car.Answer the following questions: 1. A 32 kg child sits at one end of a 3.8 m long seesawWhere should her 72 kg father sit so the center of mass will be at the center of the seesaw? 2. A firework explodes into three pieces as shown in the diagram below. Now that you have set up the equation for the x and y components of the final momentum of the firework, let's do some physics! Given: ∙∙ The initial firework had a mass of 9.0 kg and was launched at vi = 50 m/s vertically straight up. ∙∙ The firework explodes into three pieces of equal mass 3.0 kg. The angles θ1 = θ3 = 40 ∘. ∙∙ Speed v1 = 100 m/s. What is the speed v2? Note: the angles shown for mass m1 and mass m3 are relative to the horizontal x-axis. Mass m2 is moving straight up (y-axis).
- What is the change in total kinetic energy of the system that occurs during collision? I calculated .815m/s for initial velocity of puck A.A Child sits in a wagon with apile of 0.65-kg rocks. If she can throw each rock with a speed of 11 m/s relative to the ground, causing the wagon to move, howmany rocks must she throw per minute to maintain a constantaverage speed against a 3.4-N force of friction?Explain and labled.A 48.3 kg student runs down the sidewalk andjumps with a horizontal speed of 4.34 m/sonto a stationary skateboard. The studentand skateboard move down the sidewalk witha speed of 4.07 m/s. a) Find the mass of the skateboard.Answer in units of kg. I got 3.204177 kg b) How fast would the student have to jumpto have a final speed of 5.27 m/s?Answer in units of m/s. I'm getting 5.6196 m/s, but my online homework is prompting me with an incorrect guess. My work is shown in the picture.
- 1.Two ice skaters stand at rest in the center of an ice rink. Whenthey push off against one another the 45-kg skater acquires aspeed of 0.62 m/s. If the speed of the other skater is 0.89 m/s,what is this skater’s mass?Explain and labled the problem.Two blocks of masses M and 3M are horizontal and frictionlessis on the surface. A massless spring with spring constant 96 N / m from blocksattached to one. Compressed between spring blocks and blocksIt is tied with a massless rope as shown in the figure. The rope holding the masses has been cutthen the 3M block is moving to the right at 2 m / s. In this caseafter the rope is cuta) What is the velocity of the block of mass M.b) If M = 0.5 kg, how much was the spring compressed before the rope was cut.Important note: Unless otherwise stated, express your answers in SI units. Three blocks are placed on a frictionless surface. Two blocks of same mass Me Mr = 2.00 [kg] are moving toward a middle third block with mass m = 1.00 [kg]. The left block moves with speed up = 3.00 [m/s], the right block moves with speed v0 = 2.00 [m/s], and the middle block is initially at rest. All succeeding collision are head-on and elastic. M₁ uo Velocity of m after the collision: m Me initially collides with m. What are their velocities after collision? Velocity of M₂ after the collision: Vo Velocity of m after the third collision: Mr After collision with Me, m now collides with Mr. What are the velocities of m and M, after the second collision? Velocity of M, after the second collision: Velocity of m after the second collision: After collision with Mr, m now collides with Me. What are the velocities of m and Me after the third collision? Velocity of Me after the third collision: