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A 45.8-g golf ball is driven from the tee with an initial speed of 44.9 m/s and rises to a height of 27.9 m.
(a) Neglect air resistance and determine the kinetic energy of the ball at its highest point.
(b) What is its speed when it is 6.22 m below its highest point?
Three point charges, -5.2 x 10-9 C, -8.1 x 10-9 C, and +7.7 x 10-9 C, are fixed at different positions on a circle. The total electric potential at the center of the circle is -2300 V
The catapult on an aircraft carrier can take an aircraft from 0 to 192 mph in 12 seconds, at which time the aircraft launches
The quantity of charge q (in coulombs) that has passed through a surface of area 2.08 cm2 varies with time according to the equation q = 4t3 + 5t + 6, What is the value of the current density
An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. determine the voltage drop from cathode to anode
What are new charge on spheres - Two insulated charge Cu spheres A and B OF IDENTICAL size have charge qa and -3qa
The planet Mercury has a mass that is 5.00% of that of Earth, and its gravitational acceleration is gmercury = 3.70 m/s2. a) How long does it take for a rock that is dropped from a height of 2.63 m to hit the ground on Mercury?
An asteroid is discovered heading straight toward Earth at 13km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 mins, after which the asteroid is moving at 28 degrees to its original path at a..
An football is punted at 25.0 m/s at an angle of 30.0 degree above the horizon. What is the velocity vector of the ball when it is 5.00 m above the level ground
make use of the force equation of equilibrium with torques to compute around the second pivot pt, fine the women's position when the beam is about to tip.
Two identical carts travel at 1m/s in opposite directions on a common horizontal surface. They collide head-on and are reported to rebound, each with the speed of 2m/s.
you and a friend pull on two ropes to dock a satellite whose mass is 1300 kg. The satellite is initially at position m, How much work did your friend do
Each of the three helicopter rotor blades shown in Fig. 10-67 is 5.20 m long and has a mass of 195 kg. The rotor is rotating at 228 rev/min. What is the total kinetic energy of rotation
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