two astronauts with masses m1 and m2 are moving with the velocity u together. They push each other off in the direction perpendicular to u, spending the energy deltaE. what is the angle between the velocities of the astronauta after the push off?

Q: 3. A projectile of mass m = target of mass M = 2 kg and gets imbedded in it. Assuming that all the…

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Q: A remote controlled toy car of mass 3.7 kg is moving with a velocity of 5.6 m/s along x-axis makes a…

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Q: A small spaceship with a mass of only 1.5 * 10^3 kg (including an astronaut) is drifting in outer…

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Q: A rod of length 2.0 m is at rest in S’ and is tilted at an angle of 35 degrees with respect to the…

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Q: Consider two particles A and B of masses m and 2m at rest in an inertial frame. Each of them are…

A: Mass of the particle 1 is m Mass of the particle 2 is 2m

Q: Which of the following particles has the largest kinetic energy? O all of the above have the same…

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Q: A projecti le of mass M (=m¡ + m2) is fired with velocity v making an angle 0 with the horizontal,…

A: Thus, the separation between them when they reach the ground, d= d1 - d2 = (V1 - V2 ). t

Q: What is the average power expended to accelerate a bullet of 15grams mass to a speed of 900 m/sec in…

A: Power is the rate of doing work.P=W∆t...(1) We have work done defined as W=F.S,.....(2) force…

Q: An unstable uranium-238 suddenly bursts apart (fission) into thorium-234 (3.886×1025 kg) and…

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Q: A mass m, initially moving at speed v in gravity free space, explodes into 2 pieces, one of which is…

A: Given: A mass m, initially moving at speed v in gravity-free space, explodes into 2 pieces, one of…

Q: An astronaut with a mass of 84kg is at rest in space, before firing her water pack to move towards…

A: Given data The mass of the astronaut is ma = 84 kg. The initial velocity of water and astronaut is…

Q: Equal work is carried out on two bodies A and B, initially at rest, and whose masses are M and 2M…

A: It is given that work is carried out on two bodies A and B, initially at rest. By work-energy…

Q: Two manned satellites approaching one another at a relative speed of 0.100 m/s intend to dock. The…

A: a)The final velocity is,

Q: Two manned satellites approaching one another at a relative speed of 0.300 m/s intend to dock. The…

A: We have to use conservation of momentum to find the final velocities in the different frames. And to…

Q: A spaceship with a mass of 7500kg is motionless in space. The rocket turns on with a constant force…

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Q: A remote controlled toy car of mass 7.9 kg is moving with a velocity of 2.6 m/s along x- axis makes…

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Q: Two Uniform spheres with identical masses 3250 kg and radiuses 30 cm are released from the rest and…

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Q: an weighing 80 kg jumps with a horizontal velocity of 5m/s onto a boat that is at rest on the water.…

A: Given values:- Mass of man,(m)=80 kg -----(1) Horizontal velocity of man,(u1)=5 m/sec -----(2)…

Q: Mass M, moving at speed 2V, approaches mass 4M, moving at speed V. The two collide elastically…

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Q: particle is projected from infinity with a velocity of The perpendicular distance between the target…

A: Energy  and angular momentum conserved during motion of particle

Q: Two particles of masses 1 kg and 2 kg are moving towards each other with equal speed of 3 m/sec. The…

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Q: Four particles of masses m, 2m, 3m, 4m are located at the points (a, a, a) , (a, -a, -a), (-a, a,…

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Q: Is it possible for the 1) yes kinetic energy of an 2) no object to be negative?

A: Kinetic energy of an object is a kind of mechanical energy which relies on the mass of the object…

Q: Two manned satellites approaching one another at a relative speed of 0.500 m/s intend to dock. The…

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Q: Two manned satellites approaching one another at a relative speed of 0.400 m/s intend to dock. The…

A: a)The final velocity is,

Q: A remote controlled toy car of mass 9.8 kg is moving with a velocity of 6.7 m/s along x- axis makes…

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Q: Consider these 4 Particles:         Particle.           Rest energy.        Total energy…

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Q: Consider the process of escaping from the solar system starting from the surface of Earth. Assume…

A: Given information: Here, v0 is the Earth’s orbital speed, RE and RS are the radius of the Earth and…

Q: m If the mass is released from rest when 0 = 75.4°, at which values of 0 does the mass have half of…

A: Length of pendulum L  Mass m  Angle is 75.4° ( at the moment of releasing)

Q: Suppose that you have found a way to convert the rest energy of any type of matter directly to…

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Q: Show that the kinetic energy of a particle of mass m is related to the momentum p of that particle…

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Q: Two stars interact with each other. Star 1 has a mass 2×10^30⁢⁢  kg, and Star 2 has a mass…

A: Given :m1=2 x 1030 kgm2=1 x 1030 kgu1=0u2=(0i^-3.50×104j^)

Q: Which of the following particles has the largest kinetic energy? O all of the above have the same…

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Q: Suppose we are given the values for the two masses and their initial velocities along with the final…

A: It is given that,

Q: which of the following has the greatest kinetic energy 1. mass 4m and velocity v 2.mass 3m and…

A: The kinetic energy is,  K.E= 1/2 mv2. 1. Mass 4m and velocity v         m = 4m and v= v

Q: Two manned satellites approaching one another at a relative speed of 0.150 m/s intend to dock. The…

A: (a) Let v0 denote the initial velocity of the second satellite moving towards the first one. As per…

Q: The merry-go-round rotates at a constant angular velocity of w = 2,8 rad/s. Assume that an observer…

A: The constant angular velocity of the merry-go-round (ω)=2.8 rad/s Radius of the merry-go-round…

Q: A remote controlled toy car of mass 3.8 kg is moving with a velocity of 8.7 m/s along x-axis makes a…

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Q: 8) A baseball is thrown from center field to second base and its velocity changes from 25m/s to…

A: Given value--- initial velocity = 25 m/s. final velocity = 20 m/s. mass = 150 g. We have to…

Q: For which of the following bodies the kinetic energy is greater. 1. A 2M mass with a 3V velocity…

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Q: Two planets of mass 3 x 1025kg are release from rest 2.0 x 1012 m apart.  What is the speed of the…

A: Given:- M1 = 3 x 1025 kg M2 = 3 x 1025 kg d = 2.0 x 1012 m

Q: The energy to mové a rocket (mass m) nfinitely far from the Earth (Radius R and mass M) E = jGMma 1…

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Q: Two blocks of masses 200 g and 500 g sit on a frictionless table with an essentially massless spring…

A: Energy stored in spring = 12kx2 3 J = 12kx2 x=6k cm (extension in the spring)

Q: One particle has mass m and a second particle has mass 2m. The second particle is moving with speed…

A: Given -  Mass of particle one (m1)=mSpeed of particle one(v1)= 2vMass of particle one(m2) =2mSpeed…