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After a golf ball is hit it takes off with an initial speed of 29.5 m/s and at an angle of 39.5° with respect to the horizontal. The golf field is flat and horizontal. Neglecting air resistance how far will the golf ball fly?
1. How far would the ball fly if the initial speed was doubled?
2. How much time would the ball spend in the air in this second case?
as two trains move along a track their conductors suddenly notice that they are headed toward each other. the figure
Linearly polarized light is incident on a piece of polarizingmaterial. What is the ratio of the transmitted light intensity tothe incident light intensity when the angle between thetransmission axis and the incident electric field is(a) 30° and (b) 7..
The capacitance in a series RCL circuit is C1 =2.62 µF, and the correspondingresonant frequency is f01 = 6.71 kHz. The generator frequency is 5.34 kHz. What is the value of the capacitanceC2 that should be added to the circuit so that the circuit wil..
A 114 gram hockey puck sent sliding over ice is stopped in 14.9 meter by the frictional force on it from the ice. Find the coefficient of friction between puck and ice
a recipe for bread states that the dough must bake for 40 minutes at a temperature of 190degc. the oven you are using
Richard is driving home to visit his parents. 140 mi of the trip are on the interstate highway where the speed limit is 65 mph. How many minutes does he save
A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.5 m/s . Two seconds later the bicyclist hops on his bike and accelerates at 2.4m/s2 until he catches his friend. How much timedoes it take until h..
a 10kg sign hangs from two wires. one wire makes an angle of 45 degrees and the other makes a 30 degree angle. what is
a ball is shot from the ground into the air. at a height of 9.1 m the velocity is observed to be v 7.4 i 6.3 j ms
a heavy piece of machinery is raised by sliding it a distance d = 14.9 m along a plank oriented at angle ? = 25.7° to the horizontal. How high above its original position is it raised
An eagle can determine that two light brown shrews sitting 1.0 cm apart on a pathway 125 m below her are in fact two shrews rather than a small rat. estimate the diameter of her pupil
Two long, parallel wires are attracted to each other by a force per unit length of 320 ?N/m when they are separated by a vertical distance of 0.500 m
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