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1. Particle one of mass m initially moves to the right at v. Particle two of mass 2m is initially at rest. After they undergo an elastic collision, particle one moves directly down. What is the final speed of particle two?
2. A 0.280-kg ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with one fourth the original speed of the first ball. What is the mass of the second ball?
Two 0.70g spheres are charged equally and placed 2.4 cm apart. what is the charge on each sphere
When you take a bath, how many kilograms of hot water (36.4°C) must you mix with cold water (14.4 °C) so that thetemperature of the bath is 32.8 °C? The total mass of water(hot plus cold) is 183 kg.
two circular current loops lie parallel to the x-y plane and are separated by a short distance along z. the currents
a particle moving along the x axis in simple harmonic motion starts from its equilibrium position the origin at t 0
A cylindrical copper cable carries a current of 1100 A. There is a potential difference of 1.6 multiplied by 10-2 V between two points, What is the radius of the cable
Mattwe pulls his little sister sarah in a sled on an icy surface, with a force of 60 N at an angle of 37 ° upward from the horizontal. If he pulls her a distance of 12m, then determine the work done by matthew?
The maximum speed of a 3.1 kilogram mass attached to a spring is 0.68 m/s and the maximum force exerted on the mass is 11 Newton. Estimate what is the force constant of the spring
A 22.0 m tall hollow aluminum flagpole is equivalent in strength to a solid cylinder of aluminum 3.50 cm in diameter. How far to the side does the top of the pole flex
The pulmonary artery, which connects the heart to the lungs, has an inner radius of 2.2 mm and is 8.6 cm long. find the average speed of blood in the pulmonary artery
A 1500-kg car moving east at 17 m/s collides with a 1800-kg car moving south at 15 m/s and the two cars stick together. What is the velocity of the cars right after the collision
The anomalous Zeeman effect is studied in an advanced student laboratory. A spectral lamp is filled with the vapor of an unknown atom. What is the energy difference between the levels
Suppose that the proper half life of a certain type of particle is 1.8μs. How many particles would be detected in one hour at the other end of the pipe
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