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High-speed stroboscopic photographs show that the head of a 170-g golf club is traveling at 47 m/s just before it strikes a 46-g golf ball at rest on a tee. After the collision, the club head travels (in the same direction) at 34 m/s. Find the speed of the golf ball just after impact.
The coefficient of static friction between the ladder and the ground is 0.55, and the ladder makes a 50.0° angle with the ground. Explain how far up the ladder can an 870 N person climb before the ladder begins to slip?
A light beam having a wavelength of 654 nm in air is directed into glycerine (n=1.47). What is the frequency of light in glycerine
A 12.0 g bullet is fired horizontally into a 106 g wooden block that is at first at rest on a frictionless horizontal surface and connected to a spring having spring constant 143 N/m.
When you see a traffic light turn red, you apply the breaks until you come to a stop. what was your average velocity during breaking
A high energy photon is scattered at an angle of ? =180.0° from an electron that is initially at rest. Find the energy of the incident X-ray photon
A 3.0 kg block of silver is completely immersed in water. calculate the mass of water displaced by the silver block
A steel beam is suspended completely under water by a cable that is attached to one end of the beam, so it hangs perpendicularly. Another identical beam is also suspended completely under water, but by a cable that is attached to the center of the be..
Two charged dust particles exert a force of 4.20 x 10^-2 N on each other. What would be the force if they are moved so they are only one-eight as far apart.
In a paramagnet with spin-1 dipoles, each dipole can take on 3 stages: -1, 0 and +1, relative to the direction of the magnetic field, Derive an expression for the partition function for this dipole
A 5.00 kg block slides down the inclined plane at 20 angle as shown in the diagram below at a constant velocity. Calculate the net work done by both gravity and friction
a snowboarder moves along a horizontal ramp before going off of the edge of the ramp. 1.8s after leaving the ramp, find the snowboarders speed at the moment she leaves the ramp
A styrofoam cooler (k = 0.030 W/(m·K)) has outside dimensions of 0.270 m by 0.230 m by 0.280 m, and an average thickness of 2.6 cm. About how long would it take for 1.60 kg of ice at 0 °C to melt in the cooler if the outside temperature is 30.0 °C..
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