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High-speed stroboscopic photographs show that the head of a 230 g golf club is traveling at 40 m/s now 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 30 m/s. discover the speed of the golf ball now after impact.
An object with a mass of 72.0 g displaces 590.0 ml of water when it is completely immersed. What is the buoyant force on the mass?
Two 11 centimeter diameter charged disks face each other, 22 centimeter apart. Both disks are charged to -20 nC. Find what is the electric field strength a point
Under normal conditions, humans radiate electromagnetic radiation of frequency 3.33 x 1013 Hz. What is the wavelength associated with this radiation
A particular engine has a power output of 4.27 kW and an efficiency of 22.2%. The engine expels 7236 J of energy as heat in each cycle. Find the energy absorbed in each cycle
A compound microscope has a barrel whose length is 18.3 cm and an eyepiece whose focal length is 1.2 cm. What focal length must the objective have so the angular magnification of the microscope is -270
White light (400-700 nm) is incident on a 600 line/mm diffraction grating. What is the width of the first-order rainbowon a screen 2.0 m behind the grating?
a baseball thrown from the outfield is released from shoulder height at an initial velocity of 29.4 ms at an initial
a spring is first stretched 2.0 cm from its unstressed length. it is then stretched an additional 2.4 cm. how does the
the intensity of electromagnetic radiation from the sun reaching the earths upper atmosphere is 1.37 kwm2assuming an
A flat-bottomed barge, loaded with coal, has a mass of 2.8 105 kg. The barge is 19.8 m long and 9.7 m wide. It floats in freshwater. What is the depth of the barge below the waterline
A 100 g ball attached to a spring with spring constant 2.50N/m oscillates horizontally on a frictionless table. Its velocityis 20.0 cm/s when x = -5.00 cm. What is the amplitude of oscillation?
A ball falls straight down onto a wedge that is sitting on frictionless ice. The ball has a mass of 3.27 kg, and the wedge has a mass of 5.31 kg. what is the velocity of the ball after the collision
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