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A 13 cm × 13 cm × 13 cm box containes 0.025 mol of nitrogen at 30°C. What is the rate of collisions (collisions/s) on one wall of the box?
A 1000-kg cart is rolling to the right at 5m/s. A 75-kg man is standing on the right end of the cart. What is the speed of the cart if the man suddenly starts running to the left with a speed of 10.00m/s relative to the cart.
It has been suggested that rotating cylinders about 10 mi long and 5.0 mi in diameter be placed in space and used as colonies. What angular speed should such a cylinder have so that the centripetal acceleration at its surface equals the free-fall ..
What is the force of air resistance. how high was the jump.
A car is traveling around a horizontal circular track with radius r = 150 m at a constant speed v = 28 m/s as shown, What is the magnitude of the car's acceleration, What is the x component of the car's acceleration when it is at point A
For a satellite to be in a circular orbit 800km above the surface of the earth, what orbital speed must it be given, What is the period of the orbit
What is the value of the composite constant (Gmer2e), to be multiplied by the mass of the object mo in the equation above
A certain telescope has an objective of focal length 1580cm. If the Moon is used as an object, a 1.4 cm long image formed by objective corresponds to what distance, in miles, on the Moon? Suppose 3.8 multiplied by 108 m for the Earth-Moon distance..
Calculate the direction of the average force on the ball during the contact . The magnitude of the average force is 4700N
Demonstrate that gravitational energy is not extensive: show that the gravitational energy of a sphere of radius 'r' and uniform density varies with volume V^n and find the exponent 'n'.
Calculate the magnetic field at the observation location. The space shuttle releases a satellite into the circular orbit 565 above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs.
What greatest height above the break free point does it rise? How high is the break free point above ground.
Compute the net electric flux through the hull of the submarine. Is the number of electric field lines leaving the submarine greater than, equal to, or less than the number entering it?
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