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A projectile is shot from the edge of a cliff 125 m above the ground level with an initial speed of 65.0 m/s at an angle of 37 degree above th horizontal.
A) find the position vector of the projectile when it reaches it maximum height above the top of th cliff. Express the answer in unit vector notation.
B) find the magnitude and direction angle of the projectile's velocity at the moment it reaches the ground at the bottom of the cliff.
An object with a mass of m = 4.6 kg is attached to the free end of a light string wrapped around a reel of radius R = 0.265 m, determine the velocity when it hits the floor
A rigid tank contains 1.20 moles of an ideal gas. Determine the number of moles of gas that must be with Illustrate from the tank to lower the pressure of the gas from 24.2 atm to 5.30 atm. suppose the volume of the tank and the temperature of the..
Two very large parallel plates are oppositely and uniformly charged. The field between the plates is 1.7×106N/C, How much total charge is on each plate if they are 18.0cm on a side
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A runner wearing spiked shoes pulls a 24kg sled across frictionless ice using a horizontal spring with spring constant 130N/m. What is the acceleration of the sled
The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.69 m and 1.04 m, respectively. The respective rotational speeds are 452 rev/min and 4,140 rev/min. Calculate the speeds of the tips of both rotors
A student has built a 20-cm-long pinhole camera for a science fair project. She wants to photograph the Washington Monument, How far should she stand from the Washington Monument
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Two 10 cm-diameter charged thin rings face each other, 20 cm apart. The left ring is charged to 20 nC and the right ring is charged to +20 nC. What is the electric field.
A 70-kg ski jumper starts from rest 59 m above the ground on an icy track and flies off the track at an angle of 31°, With what speed does the skier leave the track
a 20kg door is spun for 27 s at an anglular speed of 1.2 rev/s by two seperate simultaneous forces. One pushes with force of 53 N, What is the work done by torque spinning the door
you camera lens has alens of 35mm focal length and film that is 36mm wide. how far are you from the airplane
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