5. A rocket standing on its launch platform, points straight upward. Its jet engines are activated and eject gas at a rate of 1500 kg/s. The molecules are expelled with a speed of 50 km/s. How much mass can the rocket initially have if it is slowly to rise because of the thrust of the engines?

Q: 1. Two equal mass cars (both measuring 2kg) roll towards each other on a level, low friction track.…

A: To solve this problem, we can apply the principle of conservation of momentum, which states that the…

Q: Use the following information to answer the next question. A firecracker explodes into three parts.…

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Q: Mary slides down a snow-covered hill on a large piece of cardboard and then slides across a frozen…

A: Speed of the two of them slide across the ice together on the cardboard is 3.374m/s.

Q: Car 1, whose mass is 1200 kg, travels east at 30.0 m/s and collides with car 2, whose mass is 1600…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank…

Q: 2. A toy rocket with a mass of 300 g takes off in an upward vertical direction under the influence…

A: Answer=  The newton law of action and reaction states that the active force acting on a body will…

Q: A 49 kg boy on roller skates moves with a speed of 6 m/s. He runs into a 39 kg girl on skates.…

A: Given that,  The mass of the boy m1=49 kg.  The mass of the girl m2 =39 kg.  The initial speed of…

Q: 4. alWhat is the momentum of a jeepney weighing 1.5 x 104 N moving at a velocity of 20 m/s? b) How…

A: (a) If the weight of a body is W then the mass of the body is given by m=Wg, where g is the…

Q: v) A very light rod (ignore its mass) of length L connects two particles of mass m and 2m. Find the…

A: Introduction: Center of mass of a system of masses are defined as the position point where whole…

Q: 5. OMG! A Sumo wrestler is running towards you! The Sumo wrestler, running at 2 meters per second,…

A: Solution:   Given Values, Mass of sumo wrestler m1=265 Kg Mass of youm2=68 Kg The velocity of a sumo…

Q: Mass A is initially moving with a velocity of 24 m/s in the +x-direction. Mass B is twice as massive…

A: Mass A is initially moving with a velocity of 24 m/s in the +x-direction. Mass B is twice as massive…

Q: Donte is ice skating due north on a frozen lake at a speed of 3 m/s when he collides with Rebecca…

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Q: A 7990 kg space probe, moving nose-first toward Jupiter at 97.4 m/s relative to the Sun, fires its…

A: Given, Mass of space probe, M =   Velocity of space probe, Mass of ejected gas, m =   Velocity of…

Q: 3. Two balls, masses 6.0 kg and 3.4 kg, moving in opposite directions at 4.1 m/s and 3.5 m/s…

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Q: The cars collide and rebound such that B moves to the right with a speed of VB2=1.8 m/s. Two rail…

A:

Q: Block 1 with a mass of 1.0 kg slides down a frictionless ramp with a height of 3.0 m and collides…

A: Mass of block 1 (M1) = 1.0 kg Height (H) = 3.0 m Mass of block 2 (M2) = 2.0 kg Friction coefficient…

Q: A 900-kg car moving at (15î+ 0f) m/s had a head-on collision with a 2500-kg truck moving at (-10î+…

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Q: Two 500 g blocks of wood are 2.0 m apart on a frictionless table. A 11 g bullet is fired at 450 m/s…

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Q: Two objects with equal masses and speeds as shown collide and stick together. What is the final…

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Q: A 20 g ball of clay traveling east at 2.0 m/s collides with a 30 g ball of clay traveling 30° south…

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Q: Godzilla is fighting Mothra in Tokyo. Godzilla climbs a tall building and, while standing on the top…

A: The conservation of momentum, the initial momentum of the Mothra and the Godzilla will be,

Q: How much fuel would be needed for a 1000-kg rocket (this is its mass with no fuel) to take off from…

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Q: 11. Two magnets are sliding towards each other. One of the magnets, which has a mass of 125 grams,…

A: We will use the conservation of momentum to solve this problem.

Q: 10 22. During a circus performance, John Tailor was fired from a compressed-air cannon whose barrel…

A: Apply the work-energy theorem. Here, F is the average force, d is the length of the barrel, m is…

Q: 1. In beta decay, an atomic nucleus emits an electron as it turns into another type of nucleus. A…

A:

Q: 1. Calculate the magnitude of the linear momentum for the following cases: (Serway & Vuille, 2012)…

A: (1): Part (A):Given: The mass of the proton s 1.67x10-27 kg. The velocity of the proton is 5x106…

Q: Two balls, A and B, each of mass 1.0 kg, initially travel at the velocities VA = (10î + 20j ) m/s…

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Q: At the local radio controlled (RC) airfield, a 2.4 kg RC plane strikes a 1.2 kg aerial drone that is…

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Q: A thread holds two carts together on a frictionless surface. A compressed spring acts on the carts.…

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Q: A 57 kg factory worker takes a ride on a large, freely rolling 27 kg cart. The worker initially…

A: according to conservation of momentum ,  initial momentum = final momentum  we know momentum P =…

Q: Two 500 g blocks of wood are 2.0 m apart on a frictionless table. A 10 g bullet is fired at 400 m/s…

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Q: A 7760 kg space probe, moving nose-first toward Jupiter at 73.9 m/s relative to the Sun, fires its…

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Q: 15. A 10000Kg car is moving toward north at a speed of 3m/s at noon. One hour later, the car is…

A: Solution:-Given thatmass of car (m)=10000 kgInitial speed (u)=3 m/s (towards north)time (t)=1…

Q: An electron collides elastically with a stationary hydrogen atom. The mass of the hydrogen atom is…

A: Given data The initial speed of the hydrogen atom is uH = 0 m/s The mass of the hydrogen atom is mH…

Q: A spaceship with a mass of 4.50  104 kg is traveling at 5.89  103 m/s relative to a space station.…

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Q: Two identical curling stones of mass 19.5 kg collide. The first stone hits the stationary second…

A: Let V2f makes angle θ with vertical +In x direction by momentum conservation  Pix = Pfx  mV2fSinθ -…

Q: A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. The…

A: We have a nucleus. It is at rest initially. It decays into 3 particles each moving with some…

Q: How much fuel (in kg) would be needed for a 1,200-kg rocket (its mass with no fuel) to take off from…

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Q: marble with mass ?? = 2.5 [g] moves eastward with speed ?? = 1.75 [m/s]. It then collides with…

A: marble with mass ?? = 2.5 [g] moves eastward with speed ?? = 1.75 [m/s]. It then collides with…