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A 1.40 kilogram ball, moving to the right at a velocity of +1.04 meter per second on a frictionless table, collides head-on with a stationary 7.90-kg ball. Obtain the final velocities of
(a) the 1.40 kg ball and
(b) the 7.90 kilogram ball if the collision is elastic.
(c) Obtain the magnitude and direction of the final velocity of the two balls if the collision is completely inelastic.
A 2kg box slides along a frictionless surface with a speed of 15m/s and approaches a horizontal spring with a spring constant of 2000N/m. If one end is fixed, How far will the spring compress in stopping the box
A 225 gram arrow is shot vertically into the air from an initial height of 1.40 meter above the ground with an initial speed of 18.6 m/s. find the amount of mechanical energy dissipated by air friction
A solid sphere of radius 40.0 cm has a total positive charge of 29.2 µC uniformly distributed throughout its volume. Compute the magnitude of the electric field at the following distances. 10.0 cm from the center of the sphere
The far point of a nearsighted person is 5.0 m from her eyes, and she wears contacts that enable her to see distant objects clearly. How high is the image formed by the contacts
A 1,200 W hair dryer is operated on a 120 V circuit for 15 minutes. If electricity costs $0.10/kW h, what was the cost of using the blow dryer.
65 kilogram Tory skates on ice at 5.0 m/s to talk to her brother Jose who is 69 kilogram, who is standing still. As they collide and stay together find with what speed do they both move off
A 99.0 Amp current circulates around a 2.10 millimeter diameter superconducting ring. Calculate the ring magnetic dipole moment
A Martian leaves Mars in a spaceship that is heading to Venus. On the way, the spaceship passes earth by a speed v = 0.86c relative to it. Suppose that the three planets do not move relative to each other through the trip. The distance among Mars and..
A Galilean design telescope is to be made with an objective of focal length 450 mm with an angular magnification of 18. What should the focal length of the eyepiece be
The titanic was found in 1985 lying on the bottom of the north ocean.The pressure that the titanic felt at that depth was 400 times atmospheric pressure. what was the depth
A 320 kg rocket sled can be accelerated at a constant rate from rest to 1400 km/h in 2.0 s. What is the magnitude of the necessary net force.
A 3.0-kg cart is rolling along a frictionless, horizontal track towards a 1.3-kg cart that is held initially at rest. What is the total momentum of the system of the two carts at this instant
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