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Suppose that a 1.00 cm3 box in the shape of a cube is perfectly evacuated, except for a single particle of mass 1.21 10-3 g. The particle is initially moving perpendicular to one of the walls of the box at a speed of 420 m/s. Assume that the collisions of the particle with the walls are elastic.
(a) Find the mass density inside the box.
(b) Find the average pressure on the walls perpendicular to the particle's path.
(c) Find the average pressure on the other walls.
(d) Find the temperature inside the box.
A 1500 kg car is driven onto a pair of ramps so that it fronts wheels have been raised 0.3 m above the rear wheels. How much of the car's weight is supported by the rear wheels
In a lightning bolt, a large amount of charge flows during a time of 2.1 x 10-3 s. How much charged has flowed during the lightning bolt?
A 1232.0 g mass is on a horizontal surface with ?k = 0.33, and is in contact with a massless spring with a force constant of 652.0 N/m which is compressed. What is the velocity of the mass as it loses contact with the spring
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet, in years
A 750 air-track glider attached to a spring with spring constant 10.5 is sitting at rest on a frictionless air track. A 475 glider is pushed toward it from the far end of the track at a speed of 118 .
A 280-kg piano slides 4.3 m down a 30o incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. The effective coefficient of kinetic friction is 0.40.
a charged plate holds 3nC of charge equally distributed on the plates surface area. find the constant electric field near the surface of this plate
By how much does the carrier lengthen. what is the magnitude of his average velocity for the 200.
Two blocks of masses m1 = 2.00 kg and m2 = 3.60 kg are each released from rest at a height of h = 4.80 m on a frictionless track, Determine the velocity of each block just before the collision
Two small nonconducting spheres have a total charge of 89.0?C , Q1
What is the period of oscillation of the scale? State your reply numerically in seconds.
how much time passes before the police car overtakes the speeder after the speeder passes (assumed moving at constant speed).
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