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A plane flying horizontally, at a speed of 50 meter per second and at an elevation of 160 meter, drops a package. Two seconds later it drops a second package.
(a) Determine how far apart will the two packages land on the ground?
(b) Determine the velocity of each package when it hits ground?
A solid aluminum sphere has a radius of 2.34 m and atemperature of 89.0 °C. The sphere is then completely immersedin a pool of water whose temperature is 22.3 °C. find the magnitude of the difference between the weights
22g of nitrogen gas at STP are pressurized in an isochoric process to a pressure of 30atm. What is the pressure ratio
A disk with evenly spaced holes along the edge turns such that a light, which travels through one hole, reflects of a distant mirror and returns through the adjacent hole on the wheel. obtain the angular speed of the disk
An archer shoots an arrow with initially only a horizontal velocity from his bow. find by how much will the arrow miss if the archer stands 50 m from the target
A person wants to push a lamp ( mass 7.2 ) across the floor, for which the coefficient of friction is 0.20. calculate the maximum height x above the floor at which the person can push the lamp so that it slides rather than tips.
a spring has an equilibrium length of 17 cm and a spring constant of 59.9 N/m. the spring is connected to the underside of the roof of a car and a 0.294 kg block suspended from it
The speed of light is 3 x 10^8 m/s. The sun is 93 million miles from earth. How many minutes does light take to reach the earth
A uniform spherical shell of mass 8.60kg with diameter 48 cm has four small masses of mass 2.00kg attached to its outer surface and equally spaced around it. This combination is spinning about an axis running through the center of the sphere and t..
The radius of Earth is about 6.38 multiplied by 10^3 km. A 7.02 multiplied by 10^3 N spacecraft travels away from Earth. What is the weight of spacecraft at the following distances from Earth's surface: 6.38 times 10^3 km and 1.4 times 10^4 km.
A current I = 13.0 A flows through a strip of metal of width 4.0 cm, What is the drift velocity of the carriers in the strip
Two projectiles are projected with the equal initial velocity but different angles of projection. find the angle of projection of the second projectile
A person takes about 20 breaths per minute with 0.5 litre of air in each breath. How much heat is removed per hour by the moisture in the exhaled breath if the incoming air is dry and the exhaled breath is fully saturated? Suppose that the water vapo..
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