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A large cruise ship of mass 6.80 ? 107 kg has a speed of 11.6 m/s at some instant.
(a) What is the ship's kinetic energy at this time?
(b) How much work is required to stop it? (Give the work done on the ship. Include the sign of the value in your answer.)
(c) What is the magnitude of the constant force required to stop it as it undergoes a displacement of 2.60 km?
A 1.5 kilogram object moves up the y-axis at a constant speed. Determine will the object continue to move along the -y-axis
In the figure, block 1 has mass m1 = 470 g, block 2 has mass m2 = 510 g, and the pulley is on a frictionless horizontal axle and has radius R = 4.6 cm. When released from rest, block 2 falls 78 cm in 4.6 s without the cord slipping on the pulley. ..
the membrane surrounding a living cell consists of an inner and an outer wall that are separated by a small space.
A square ammeter has sides of length l = 2.01 cm. The sides of the ammeter are capable of measuring the magnetic field they are subject to. What is the current in the wire
There are two blocks connected by a string and tied to a wall, with an angle of 33o. Find what is the tension in the string connecting the two blocks
A 3.0m length of straight wire carries a current of 18A in a uniform magnetic field of 70mT whose direction is at an angle of 36o from the direction of the current.
A conductor is slowly bought near the cap of a positively charged electroscope. The leaf first collapses and then diverges. State the charge on the conductor.
in a modified tug-of-war game two people pull in opposite directions not on a rope but on a 23.9-kg sled resting on a
A pendulum has a period of 0.69 s on Earth. What is its period on Mars, where the acceleration of gravity is about 0.37 that on Earth?
A beetle 4.80mm is examined with magnifier of focal length 10.3 cm. If the observer's eye is relaxed while using the magnifier, what is the apparent length of the beetle
Two objects with masses of 4.00 kg and 5.00 kg are connected by a light string that passes over a frictionless pulley. Determine the tension in the string. Determine the acceleration of each object.
An electron moving at a speed of 0.68c collides head on with a positron alsomoving at 0.68c. Determine the energy and momentum of each photon
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