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Problem 1: A metal cylinder of height h = 0.8m and cross-section S = 0.02m^2, is floating upright in water. The density of the metal cylinder is p metal = 550kg/m^3, and the density of water is p water = 1000 kg/m^3. Compute the length of the cylinder outside the water.
Problem 2: A tank of large area is filled by water to a depth D = 2cm. A hole of cross-sectional area S = 0.01m^2 in the bottom of the tank allows water to drain out. At what distance below the bottom of the tank is the cross-sectional area of the stream equal to S/2?
A plane accelerates from rest at a constant rate of 5.00m/s^2 along a runway that is 1800m long. What is the distance traveled by the plane in the last second before taking off
A concave mirror has a radius of curvature of 24 cm. Determine the object position for which the resulting imageis upright and three times the size of the object. Draw a ray diagram to determine the position of the image. Isthe image real or virtual?
Two bumper cars moving on a frictionless surface collide elastically. What is the speed of the first bumper car after the collision
A bomb explodes into three identical pieces. One flies in the + y-direction at 12.5 m/s , a second in the - x-direction at 15.4 m/s. What's the direction of the velocity of the third piece
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During the process, What is the tire pressure in pascals
Suppose the image of an object is upright and magnified 1.69 times when the object is placed 14cm from a lens
1 the manufacturer of the roto-dyne wheel reports that the mass of the wheels rotating components is 1.41- 0.05 kg.
A space probe with a rest mass of 8.1×107kg and a speed of 0.50c smashes into an asteroid at rest and becomes embedded within it. what is the rest mass of the asteroid
A block of mass 2.50 kg is pushed 2.20 m along a frictionlesshorizontal table by a constant 16.0 N force directed 25.0 degreesbelow the horizontal. Determine the work done by the applied force.
Find out d, the distance between the photogates, using the times and glider length. There is two ways to find this for the up and down directions.
A block of mass, m=5.0 kg is pulled along a rough horizontal surface by a rope. The tension in the rope is 40 N, and the coefficient of kinetic friction between the block and the surface is, .25. If the block travels a distance of 4.5 m along the ..
A heavier mass m1 and a lighter mass m2 are 19.0 cm apart and experience a gravitational force of attraction that is 9.20 10-9 N in magnitude. Determine the value of each individual mass
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