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Question: Which has more kinetic energy: a 0.0014-kg bullet traveling at 391 m/s or a 7.4 x 107-kg ocean liner traveling at 13 m/s (25 knots)? Which has more kinetic energy: a 0.0014-kg bullet traveling at 391 m/s or a 7.4 107-kg ocean liner traveling at 13 m/s (25 knots)?
Which of the following statements is NOT a correct assumption of the classical model of an ideal gas? In each cycle of a Carnot engine, 100 joules of heat isabsorbed from the high temperature reservoir and 60 joules isexhausted to the low temperatu..
The cart and its load have a total mass of 100 kg. Determine the acceleration of the cart and the normal reactions on the pair of wheels at Neglect the mass of the wheels.
The primary coil of an ideal transformer has 650 turns, and the secondary coil has 260 turns. Assume the primary coil carries 15 A at a voltage of 120 V. What is the output current of the secondary coil
Two tiny conducting spheres are identical and carry charges of -18.5C and +51.6C. They are separated by a distance of 1.92 cm. (a) What is the magnitude of the force that each sphere experiences?
A factory worker pushes a 31.0 kgcrate a distance of 6.5 m along alevel floor at constant velocity by pushing horizontally on it. The coefficient of kinetic friction between the crate and floor is0.25.
question two point charges are separated by 10.0 cm and have charges of 2.00 and -5.00 muc respectively. at what point
If all its kinetic energy is converted to thermal energy and none leaves the bullet, what is its temperature change?
Tow masses, (m1 = 600g and m2 = 150g) are hanging from a meter stick. m1 is located at the 10cm mark and m2 is at the 7cm mark. If the center-of-mass of the combination (made up of the meter stick and the two point masses) is at the 30-cm mark of ..
Now, the external force is rapidly removed so that the compressed spring can push up the mass. Find the initial separation between mass and spring.
Suppose an electron starting from rest is accelerated in a uniform electric field directed horizontally and having a magnitude of 3000N/C . The electric field covers a region of space 12.5cm wide.
If 50 classes of 20 students are randomly selected, what is the probability that 10 classes have no left-handed students.
Knowing that the shaft has a constant angular velocity ω, determine the angle θ Formed by the shaft AB and the angular momentum HG of the disk about its mass center G.
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