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A golf club strikes a 0.047-kg golf ball in order to launch it from the tee. For simplicity, assume that the average net force applied to the ball acts parallel to the ball's motion, has a magnitude of 7580 N, and is in contact with the ball for a distance of 0.011 m. With what speed does the ball leave the club?
The average density of the planet Pluto is 2357 kg/m3. The acceleration of gravity on its surface is 0.76 m/s2. Calculate the average radius of Pluto
A certain lightbulb has a tungsten filament with a resistance of 18.0 when cold and 138 when hot. Find the temperature of the hot filament
Two identical, small insulating balls are suspended by separate 0.36-m threads that are attached to a common point on the ceiling. obtain the tension in the threads
A stationary charged particle at the origin creates an electric flux of 487 N ? m2/C through any closed surface surrounding the charge. Find the electric field it creates in the empty space around it as a function of radial distance r away from the ..
Sam, whose mass is 80kg , takes off across level snow on his jet-powered skis. The skis have a thrust of 250N and a coefficient of kinetic friction on snow of 0.1, What is Sam's top speed
Illustrate what is the speed of the three coupled cars after the collision? How much kinetic energy is lost in the collision?
A 400kg piano slides 4.0 m down a 30 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Find out the force exerted by the man.
Air conditioners are rated by their coefficient of performance at 60F inside temperature and 96F outside temperature. What is the maximum possible coefficient of performance
What additional force is necessary to hold the nozzle stationary after the water flow is turned on if the discharge rate is 0.550 kg/s with a speed of 26.5 m/s
A logic circuit has two 2-bit unsigned binary numbers X[1:0] and Y[1:0] as the inputs and it has two 1-bit outputs. One of the outputs is ONE_GTR and the other is X1_XOR_Y1.
As you zip through space in your PPS (personal propulsion suit), your pulse rate, as you count it, is 121 bpm, How fast are you moving with respect to the Moon
A proton accelerates from rest in a uniform electric field of 625 N/C. At one later moment, its speed is 1.25E+06 m/s. Over what time interval does the proton reach this speed
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