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A golf ball of mass 4.50 10-2 kg is struck by a club. Contact lasts 1.98 10-4 s, and the ball leaves the tee with a horizontal velocity of 60.0 m/s. Compute the average force the club exerts on the ball by finding its average acceleration.
magnitude
A common flashlight bulb is rated at 0.300 A and 2.60 V, what is the temperature of the filament when the bulb is on? Calculate in deg Celsius
the near point of a person's eye is 52.8 cm. To see objects clearly at a distance of 24.0 cm, what should be the focal length and power of the appropriate corrective lens
The Pulse frequency of a person is 90 beats/min, Find the power of heart if the density of mercury is 13.6 X 10^3 kg/m^3 (g=10 m/s^2)
A swimming pool has dimensions 24.0 m x 11.0 m and a flat bottom. The pool is filled to a depth of 2.10 m with fresh water. What is the force exerted by the water at the bottom
An electron moves from the initial position r = (0.1m)I to final position r=(0.2m)j. what is the surface charge density (i.e. charge per area) on the inner surface of the conducting sphere
A ball is thrown upward at a speed v0 at an angle of 50.0° above the horizontal. It reaches a maximum height of 7.5 m. How high would this ball go if it were thrown straight upward at speed v0.
Suppose a star experiences an outburst in which its surface temperature doubles but its average density, By what factors do the star's radius and luminosity change
A jogger travels a route that has two parts. The first is a displacement of 2.00 km due south, and the second involves a displacement that points due east.
Two polarizers are oriented at 48° to each other and polarized light incident on them. what was the initial polarization direction of the incident light
A circuit has three resistors in series with a 36 volt source, The voltage across the third resistor is 20 V, Determine the three resistor values
The electrons in a metal that produce electric currents behave approximately as molecules of an ideal gas. The mass of an electron is me = 9.109x10-31 kg. If the temperature of metal is 311 K, what is the root-mean-square speed of the electrons.
A 15.9g bullet traveling horizontally at 871m/spasses through a tank containing 14.5kg of water and emerges with a speed of 537m/s
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