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A projectile is launched from ground level to the top of a cliff which is 95 m away and 135 m high (see fig 3-60). if the projectile lands of top of the cliff 6.6 s after it fired, find the initial velocity of the projectile (magnitude and direction) . Neglect air resistance.
A slingshot consists of a light leather cup containing a stone. The cup is pulled back against two parallel rubber bands. With what speed does the stone leave the slingshot
A 5.06 10-5 H solenoid is constructed by wrapping 63 turns of wire around a cylinder with a cross-sectional area of 9.70 10-4 m2 , Determine the change in the length of the solenoid
A satellite in geosynchronous orbit above the moon will go around once in 27.3 days. what is the orbital radius of the satellite
Three resistors having resistances of 1.20 ohm, 2.50 ohm , and 4.60 ohm are connected in parallel to a 25.0 V battery that has negligible internal resistance. Find the equivalent resistance of the combination.
Two golf balls are glued together and rotated about an axis through the point where they are joined. What is the moment of inertia of the pair of golf balls around the chosen axis
The launching speed of a certain projectile is 5.4 times the speed it has at its maximum height. Calculate the elevation angle at launching
What is x and y coordinates of the shell
A rectangular fish tank measures 20 cm by 60 cm by 40 cm high. The tank is filled with water to a depth of 37 cm. What is the pressure at the bottom due to the water
The pulmonary artery, which connects the heart to the lungs, is 8.5 cm long and has a pressure difference over this length of 450 Pa. If the radius of the artery is reduced by 14% , by what factor is the blood flow rate reduced
Determine an angle (in radians) through which the drill rotates during this period.
The rest energy of an electron is 0.511 MeV. The rest energy of a proton is 938 MeV. Assume both particles have kinetic energies of 1.80 MeV. (a) Find the speed of the electron. c (b) Find the speed of the proton. c
A 0.2kg toy car rolls down ramp. If the car started from rest at a height of 0.30m, At what speed do the two cars move after the collision
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