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On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The acceleration free-fall on the moon is 1/6 of its value on earth. Suppose he hit the ball with a speed of 21m/s at an angle 26? above the horizontal.
a) How long was the ball in flight?
b) How far did it travel?
c) How much farther would it travel on the moon than on earth?
A 2.00 kg block hangs from a rubber cord, being supported so thatthe cord is not stretched. What is the length of the cord in this "stretched" position
Consider two strings on a violin. They are the same length and have the same tension. What is the mass density of the second string
Charge and Charge Density Consider the surface ofa conducting sphere of radius 0.12 m who sepotential is 100 V (with V = 0 atinfinity). What is the total charge?
If the coefficient of friction between the block and the floor is 0.40, what is the mass of the block.
A 57.3-kg crate rests on a level floor at a shipping dock. The coefficients of static and kinetic friction are 0.770 and 0.405, What horizontal pushing force is required to just start the crate moving
A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 343 K. what is the mass of helium present
A circular coil of wire 6.61 cm in diameter has a resistance of 3.3 ?. It is located in a magnetic ?eld of 0.15 T directed at right angles to the plane of the coil. How much electric energy is lost in the process
What current is required in the windings of a long solenoid that has 1710 turns uniformly dispersed over a length of 0.547 m in order to produce a magnetic field of magnitude 0.0002 T at the center of the solenoid.
A pulley cable system on a construction site lifts 20,000 N concrete block to a height of 40 m. If this takes 2 minutes what is the power of the pulley cable system
A water pipe is having a 2.5cm inside diameter carries water into the basement of a house at a speed of 0.90m/s, what are the speed AND water pressure at the second floor
Starting from rest, you pull the string with a constant force F = 8 N along a nearly frictionless surface. At the instant while the center of the disk has moved a distance x = 0.12 m, a length d = 0.27 m of string has unwound off the disk.
What are (a) the x component,(b) the y component, and(c) the z component of = - + if = 1.1 + 1.7 - 5.9, = -8.4 + 4.5 + 1.9, and = 8.9 + 7.8 + 7.1. (d) Calculate the angle between and the positive z axis.
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