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a projectile is launched from a 50 m high cliff, with an initial velocity of 65.0 m/s, at an angle 67.4 degrees above horizontal. Assuming that air resistance can be neglected, how far away from the cliff does it land?
(a) compute the absolute pressure at the bottom of a freshwater lake at a point whose depth is 25.5 m. assume the density of the water is 1.00 x10^3 kg/m3 and the air above is at the pressure of 101.3 kPa.
The pressure in a traveling sound wave is given by the following equation. p = (2.1 Pa) sin ?[(1.40 m-1)x - (280 s-1)t], Find the pressure amplitude and Find the wavelength
The top of the hill is horizontal and 70 m higher than its base. What minimum speed must the block have at the base of the hill in order for it to pass over the pit at the far side of the hill
assume a brown dwarf has a surface temperature of 1000 K and approximately the same radius as jupiter. what is its luminosity compared to that of the sun
Two 30 kg masses have velocities (in m/s) of vector v 1 = 10 i(hat) - 20 j(hat), Determine the velocity of the center of mass of the system
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from zero to 9.72 m/s in 3.84 s. find the average force experienced by the passenger
A spherical charged shell of radius R1 is concentric with a spherical charged shell of radius R2=2R1. The surface density of outer shell is +4.0 uC/m2. The electric field out of the outer shell is 0.
A man leaps from the top of a 60 meter tall building. If his initial speed is 24 m/s and at an angle of 23 degrees above the horizontal, then with what speed does he hit the ground as he lands
A chair of weight 75.0 lies atop a horizontal floor; the floor is not frictionless. Using Newton's laws, calculate , the magnitude of the normal force that the floor exerts on the chair
q1. a projectile is fired horizontally from a gun that is 33.0 m above flat ground emerging from the gun with a speed
An engraver uses a magnifying glass (f = 8.80 cm) to examine some work, as in the drawing. What is the distance between the work and the magnifying glass
a target in a shooting gallery consists of a vertical square wooden board, 0.25m on a side and with mass 0.75kg, what is the angular speed of the board just after the bullets impact
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