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Three moles of ideal gas are in a rigid cubical box with sides of length 0.470m . Part A What is the force that the gas exerts on each of the six sides of the box when the gas temperature is 21.0 deg C? Part B What is the force when the temperature of the gas is increased to 119 deg C?
At a distance of 4.32m from a siren, the sound intensity is 3.75 x 10-2 W/m2. Assume that the siren radiates sound uniformly in all directions; find out the total power radiated.
A 2920 kg satellite used in a cellular telephone network is in a circular orbit at a height of 800 km above the surface of the earth. What fraction is this force of the satellite's weight at the surface of the earth
A omega ?? (mass = 1672 MeV/c2) at rest decays into a kaon K? (mass = 493.7 MeV/c2) and a lambda ?0 (mass = 1115.7 MeV/c2): ?? ? K? + ?0, What is the total kinetic energy of the kaon and lambda
A 750- car stopped at an intersection is rear-ended by a 1730- truck moving with a speed of 16.0 .If the car was in neutral and its brakes were off, Find the final speed of the car
Assume that your reaction time is 0.50 s and that your car brakes with constant acceleration. How far are you from the intersection when you begin to apply the brakes? Illustrate what acceleration will bring you to rest right at the intersection?
In outer space, a baseball of mass m = 0.140 kg travels at velocity vi = (2.00 m/sec, 5.00 m/sec, 0); let the z-axis be up out of the plane of paper. calculate the average interaction force on the stick
Two point charges lie on the x axis. A charge of 6.2uC is at the origin, and a charge of -9.4uC is at x=10.0cm. What is the net electric field at x=+4.0cm
In reaching her destination, a backpacker walks with an average velocity of 1.19m/s, due west. This avg velocity results bc she hikes for 5.7 km with an avg velocity of 2.18 m/s due west, turns around, and hikes with an avg velocity of 0.511m/s du..
What is the most probable kinetic energy for a molecule of a gas at temperature T = 300.K
You pull downward with a force of 24.1 N on a rope that passes over a disk-shaped pulley of mass 1.35 kg and radius 0.0785 m. Calculate the tension in the rope on both sides of the pulley
A toy car of mass 2.0 kg is stationary and a child rolls a truck of mass 3.5kg straight toward it with a speed of 4.0 m/s. What is the velocity of the center of mass of the system
A converging lens has a focal length of f = 27 cm. An object is placed 37 cm from the lens. Find the size of the image
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