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A man does 4,750 J of work in the process of pushing his 2.60 x10^3 kg truck from rest to a speed of v, over a distance of 25.0 m. Neglecting friction between truck and road, determine the following. (a) the speed v (b) the horizontal force exerted on the truck
Calculate the work done by 0.935 mol of an ideal gas when it expands isothermally from 225 bars to 1.71 bars at (a) 300 K and (b) 1000 K.
A uniform stick 1.5 m long with a totalmass of 300 g is pivoted at its center. A 3.5 g bullet is shot through the stick midway betweenthe pivot and one end (see figure). The bullet approaches at 250m/s and leaves at 160 m/s.
the thermal expansion coefficient of copper is about 1.7 x 10-5 oc. a copper cable has a length of 20 m early in the
Suppose that the temperature of this system is low, so that the total energy is low (though not necessarily zero). In what way will the behavior of the bosonic system differ from that of the system of distinguishable particles? Discuss.
An airplane with a speed of 71.4 m/s is climbing upward at an angle of 49.5 ° with respect to the horizontal. When the plane's altitude is 692 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directl..
A circular loop of wire with areal A lies in the xy-plane. As viewed along the z-axis looking in the -z direction toward the origin, Determine the vector magnet moment of the current loop
After landing on an unfamiliar planet, a space explorer constructs a simple pendulum of length 46.0 cm. What is the value of the acceleration of gravity on this planet
The amplitude of a driven harmonic oscillator reaches a value of 25.0 F0/m at a resonant frequency of 400 Hz . What is the Q value of this system?
Two vectors, r and s lie in the xy plane. Their magnitudes are 4.57 and 6.73 units, respectively, and their directions are 327 and 36, respectively, as measured counterclockwise from the positive x axis What are the values of (a) r.s and (b) vertical..
In a sample of Ar gas at 24 oC and 5.00 bar, calculate the number of collisions per second for a given atom. The diameter of an atom of Ar is 194 pm.
An extreme skier, starting from rest, coasts down a mountain slope that makes an angle of 25.0o with the horizontal. How fast is she going just before she lands
You sled down a hill of 45-m vertical height. The combined mass of you and your sled is 130kg. How much work was doen against friction during your decent
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