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Twenty particles, each of mass m0 and confined to a volume V, have various speeds: two have speed v, three have speed 2v, five have speed 3v, four have speed 4v, three have speed 5v, two have speed 6v, and one has speed 7v. Find
(a) the average speed,
(b) the rms speed,
(c) the most probable speed,
(d) the pressure they exert on the walls of the vessel, and
(e) the average kinetic energy per particle.
A 90° inverted cone contains water as shown. The volume of the water in the cone is given by V = (p/3) h3. The original depth of the water is 10 cm. A block with a volume of 200 cm3 and a specific gravity of 0.6 is floated in the water. Find the c..
The speed of light is 1.10 times as large in material A than in material B. Determine the ratio na/nb of the refractive indices of these materials
What is acceleration of the elevator
A car is driven 125.0 km west and then 65.0 km southwest. What is the displacement of the car from the point of origin (magnitude and direction).
Decide the speed with the rock is thrown
Children sled down a 45m -long hill inclined at 26?. At the bottom, the slope levels out. how far do the children slide on the level ground?
A stone has a mass of 6.0 x 10-3 kg and is wedged into the tread of an automobile tire, as the drawing shows. The coefficient of static friction between the stone and each side of the tread channel is 0.90.
A person exerts a horizontal force of F = 179N in the test apparatus shown in the drawing. (h = 0.33 m.) Determine the horizontal force M that his flexor muscle exerts on his forearm.
Alpha particles of kinetic energy 5.10 MeV are scattered at 90° by a gold foil. What is the impact parameter
A radar antenna is tracking a satellite orbiting the earth. At a certain time,the radar screen shows the satellite to be 162 km away.The radar antenna is pointing upward at the angle of 62.3 degrees from the ground.find the x and y components(in k..
What lengths of ship three sides according to the observer
The rocket moves for 3.00 s along its initial line of motion with an acceleration of 32.0 m/s2. At this time, its engines fail and the rocket proceeds to move as a projectile. Find out the maximum altitude reached by the rocket.
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