A 50 kg woman, riding on a 10 kg cart, is moving east at 5.0 m/s. The woman jumps off the cart and hits the ground running at 7.0 m/s, eastward, relative to the ground. Calculate the velocity of the cart after she jumps off.

Q: Two iceskaters suddenly push off against one another starting from a stationary position. The 45-kg…

A: Given:           mass m1 = 45kg           mass m2 = 60kg              v1         = 0.375m/s…

Q: A ball-launching machine launches a ball of 500 g toward the wall at 10.0 m/s at 30.0° above the…

A: a) 8.8m/sb)4.616 m/sc)3.96 mExplanation:Step 1: Step 2:Step 3:

Q: 80 kg stone rests on a frictionless, horizontal surface. A bullet of mass 8.00 g. traveling…

A: initial velocity of bullet is 360 m/safter collision velocity is 240m/s

Q: A 0.3 kg ball on a rail is rolled down an incline, and then rolls across a table on a horizontal…

A:

Q: An 2100 kg asteroid travels through space at a constant 5 km/s in the +y direction. An alien…

A:

Q: 1. A 13.0 g acorn falls from rest from the top of a 32.0-m-high oak tree. When it is halfway to the…

A: Given: The mass of acorn is 13 g. The mass of the bird is 135 g. The initial speed of the acorn is 0…

Q: Problem 3. On a hockey table, pucks A and B of 170 g each impact according to the figure shown. If…

A:

Q: A  72kg hockey player skating due east at 7.8m/s collides head-on with an 83kg player skating due…

A: The objective of this question is to find the velocity of two hockey players after they collide and…

Q: A canoe is designed to have very little drag when it moves along its length. Riley, mass 52 kg, sits…

A: Given data: The mass is: m2 = 52 kg The mass of the canoe is: m1 = 21 kg The velocity of canoe…

Q: A student throws a 1.8kg ball horizontally off the top of a building with an initial speed 3.85 m/s.…

A:

Q: 5. What is the momentum (as a function of time) of a 5.0-kg particle moving with a velocity (v¯(t) =…

A:

Q: Kyle, a 95.0 kg football player, leaps straight up into the air (with no horizontal velocity) to…

A:

Q: To change the momentum of a rocket (increasing momentum) is by applying a constant Force (engines)…

A: A constant force on rocket is applied to increase the momentum of rocket. Simultaneously the fuel of…

Q: A puck of mass m, = 5 kg collides with a puck of mass m, =5 kg. If the initial velocities of the…

A: Given data: Mass of puck 1 is, m1=5 kg. Mass of puck 2 is, m2=5 kg. Initial velocity of puck 1 is,…

Q: A 0.38 kg volley ball is traveling at 34 m/s when its hit back over the net by an opposing player…

A: We need to apply the concept of Conservation of energy . The acceleration generated due to the…

Q: A mine cart has a mass of 100 kg and is moving with a velocity of 4 m/s. A 200 kg rock is dropped…

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Q: Two beads are sliding freely on a horizontal rod. Use the following conditions. MA - 3 kg ma - 1 kg…

A:

Q: a. m1 = 1.5806 ; m2 = 0.2911 b. m1 = 0.4851 ; m2 = 1.5806 c. m1 = 1.5806 ; m2 = 0.4851 d. m1 =…

A: Given: The velocity of the first fragment is 1.9 m/s. The velocity of the second fragment is 3.7…

Q: a (m/s') 2. SpaceX engineers is planning to build a 2-stage rocket which has a-t graph as shown. By…

A: (a) The rocket moves at a constant acceleration for the first 20 sec and then its acceleration…

Q: a. An arrow is fired from a bow with a velocity of 69.2 m/s. The arrow has a mass of 0.082 kg. The…

A:

Q: Identical twins, each with mass 47.0 kg, are on ice skates and at rest on a frozen lake, which may…

A: Given : m1 = m2 = 47 kg mpack = 12 kg vpack = 2.70 m/s

Q: What is the recoil speed of the gun

A: The recoil speed of gun is 0.55 m/s.

Q: A 23 kg child is coasting at 3.6 m/s over flat ground in a 6.0 kg wagon. The child drops a 1.3 kg…

A:

Q: -baseball approaches noving horizontally just before heing hit by a bat. The batten its a pop-up…

A: Horizontal speed,(u)=45 m/sec ------(1) [Given] Vertical speed,(v)=-55 m/sec ------(2) [Given]…

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

A: Given: Initial mass, m=9000 kg Velocity, v=2375 m/s Acceleration, a=49.50 m/s2 Time, t=2 s

Q: 3. A 4.80 kg fish is swimming at 1.00 m/s to the right. He swallows a 1.50 kg fish swimming toward…

A: From conservation of energy, the initial momentum is equal to the final momentum.

Q: Your mass is 63.4 kg, and the sled s mass is 25.0 kg. The sled is moving by itself on the ice at…

A: Write the given values with the suitable variables. m1=63.4 kgm2=25 kgu2=3.19 m/s Here, m1, m2, and…

Q: A 150g baseball is thrown directly upwards with a velocity of 20.0m/s. 1.00 second later an 8.00g…

A: The mass of the ball: mball=150 g=0.15 kg The initial speed of the ball: uball=20.0 m/s The mass of…

Q: An 80-kg skater at rest is holding a ball of mass 5 lb. If the skater throws the ball horizontally…

A: Mass of skater, M = 80 kg Mass of ball, m = 5 lb = 5×0.453 kg = 2.26 kg Speed of ball, v = 26 ft/s =…

Q: Using the equations produced in question 8, solve the value of v3 and v4. Equations produced in…

A: Mass of the moving particle is m1 = 1.000 kg Speed of the moving particle is v1 = 0.500 m/s Mass of…

Q: William (m = 62.3 kg) and Anne (m = 42.0 kg), both of which have skates, are facing each other in a…

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Q: An arrow (m = 5.0 g) is fired at a styrofoam block (m = 150 g) sitting on the edge of a frictionless…

A: Page 1

Q: 3. A duck has a mass of 21bm and is flying due west at 10 ft/s. The duck is struck by a bullet with…

A: It is given that, The mass of the bird, M =2 lbm =2 lbm ×1 kg2.205 lbm= 0.907 kg The velocity of the…

Q: Car A is moving to the right at 0.5m/s. Meanwhile, Car B, which is 6 meters to the right of car A…

A: Velocity of car A = 0.5 ms towards right Velocity of car B = 0.25 ms  towards left Distance between…

Q: 1. A 2 kg gun fires a 0.001 kg bullet at 400 m/s. What is the recoil speed of the gun? Before After

A: Mass of the gun, m1 = 2 kg,  Mass of the bullet, m2 = 0.001 kg,  Before firing the bullet, the…

Q: You are sitting in a sled, at rest on a pond covered with nice, thick, frictionless ice. Your own…

A:

Q: cat (mass of 3.63 kg) is on a sled (mass of 22.7 kg) which rests on an icy surface... so no…

A: mass of cat (m) = 3.63 kg mass of sled (M) = 22.7 kg speed of jump of cat (v) = 3.7 ms

Q: An object of mass 3M, moving in the +x direction at speed Up. breaks into two pieces of mass M and…

A:

Q: A rocket in deep space, away from external gravity, has a mass of 2.90 x 10^5 kg (including fuel).…

A: Given:- Mass of rocket including fuel (M )= 2.90*105 kg speed (v) = 2400m/s exhaust rate = 200 kg/s…

Q: Questions 5.-6. refer to a glancing collision between two balls with the following initial and final…

A: We will use conservation of momentum here. About x axis: 3.5 x 5 = 3.5x2+4.5 x v2x V2x = 2.33 m/s Vx…

Q: A 5.75 x 10-kg rocket takes off from the moon where the acceleration due to gravity is 1.60 m/s2 by…

A: Given, mr=5.75×103 kgv=2.20×103 m/sdmdt=5 kg/sg=1.6 m/s2