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A projectile is launched at an angle of 33.69 degrees from the horizontal and lands down range at the same level. If the range of the projectile was 900 meters what was the maximum height? answer in meters.
When the air temperature is below 0, the water at the surface of a lake freezes to form a sheet of ice. If the upper surface of an ice sheet 24.60 cm thick is at -10.30 Celsius and the bottom surface is at 0.00 Celsius, compute the time it will ta..
A rock is shot vertically upward from the edge of the top of a tall building. The rock reaches its maximum height above the top of the building 1.30 s after being shot. find With what upward velocity was the rock shot
An ideal fluid, of density 0.85 x 10^3 kg/m^3, flows at 0.25 kg/s through a pipe of radius 0.010 m. What is the fluid speed
The pressure in a traveling sound wave is given by: ?p = (1.6 Pa) sin ?[(1.30 m-1)x - (375 s-1)t]. What is the pressure amplitude
I lift a 3 kg rock up and place it on a table 2 meters above the ground. How much gravitational potential energy does the rock have
An outfielder throws a 0.150 kg baseball at a speed of 20.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball
A circular hole in an aluminum plate is 3.263 cm in diameter at 0.000°C. What is its diameter (in cm) as the temperature of the plate is raised to 129.8°C? Give the answer to four significant figures. The linear expansion coefficient of aluminum i..
A Carnot engine extracts 850 J from a 600 K reservoir during each cycle and rejects 450 J to a cooler reservoir. Find the temperature of the cool reservoir
A refracting telescope with a lens whose diameter is 33.0 cm is used to view a binary star system that emits light in the visible region. what is the distance between the two stars
A spherical metallic Christmas tree ornament has a diameter of 6.41 cm. If Saint Nicholas is by the fireplace, 1.37 m away, where will he see his reflection in the ornament
A 10 kg weight is put on the weightless piston of the cylinder (20 cm in diameter) filled with oxygen gas (P=101.3kPa, V=1m^3). Calculate the volume of the compressed gas
A billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. find the average net force exerted on the all by the cushion
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