Physics, Volume 2
11th Edition
ISBN: 9781119460176
Author: CUTNELL, John D., Johnson, Kenneth W., YOUNG, David, Stadler, Shane
Publisher: WILEY
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Chapter 20, Problem 17P
To determine
The percentage increase in the resistance of a tungsten wire.
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3.63 • Leaping the River II. A physics professor did daredevil
stunts in his spare time. His last stunt was an attempt to jump across
a river on a motorcycle (Fig. P3.63). The takeoff ramp was inclined at
53.0°, the river was 40.0 m wide, and the far bank was 15.0 m lower
than the top of the ramp. The river itself was 100 m below the ramp.
Ignore air resistance. (a) What should his speed have been at the top of
the ramp to have just made it to the edge of the far bank? (b) If his speed
was only half the value found in part (a), where did he land?
Figure P3.63
53.0°
100 m
40.0 m→
15.0 m
Please solve and answer the question correctly please. Thank you!!
You throw a small rock straight up from the edge of a highway bridge that crosses a river. The rock passes you on its way down, 5.00 s after it was thrown. What is the speed of the rock just before it reaches the water 25.0 m below the point where the rock left your hand? Ignore air resistance.
Chapter 20 Solutions
Physics, Volume 2
Ch. 20.2 - Prob. 1CYUCh. 20.2 - Prob. 2CYUCh. 20.3 - Prob. 3CYUCh. 20.3 - Prob. 4CYUCh. 20.3 - Prob. 5CYUCh. 20.4 - Prob. 6CYUCh. 20.4 - Prob. 7CYUCh. 20.4 - Prob. 8CYUCh. 20.5 - Prob. 9CYUCh. 20.5 - Prob. 10CYU
Ch. 20.5 - Prob. 11CYUCh. 20.6 - 12. The power rating of a 1000-W heater specifies...Ch. 20.7 - 13. A car has two headlights, and their power is...Ch. 20.7 - Prob. 14CYUCh. 20.8 - 15. In one of the circuits in the drawing, none of...Ch. 20.8 - Prob. 16CYUCh. 20.8 - Prob. 17CYUCh. 20.10 - Prob. 18CYUCh. 20.11 - Prob. 19CYUCh. 20.11 - Prob. 20CYUCh. 20.13 - Prob. 21CYUCh. 20.13 - Prob. 22CYUCh. 20 - Prob. 1FCCh. 20 - Prob. 2FCCh. 20 - Prob. 3FCCh. 20 - Prob. 5FCCh. 20 - Prob. 7FCCh. 20 - Prob. 8FCCh. 20 - Prob. 10FCCh. 20 - Prob. 12FCCh. 20 - Prob. 13FCCh. 20 - Prob. 15FCCh. 20 - Prob. 18FCCh. 20 - Prob. 20FCCh. 20 - Prob. 1PCh. 20 - Prob. 2PCh. 20 - Prob. 3PCh. 20 - Prob. 4PCh. 20 - Prob. 5PCh. 20 - Prob. 6PCh. 20 - Prob. 7PCh. 20 - Prob. 8PCh. 20 - Prob. 10PCh. 20 - Prob. 11PCh. 20 - Prob. 12PCh. 20 - Prob. 13PCh. 20 - Prob. 14PCh. 20 - Prob. 16PCh. 20 - Prob. 17PCh. 20 - Prob. 18PCh. 20 - Prob. 20PCh. 20 - Prob. 21PCh. 20 - Prob. 22PCh. 20 - Prob. 23PCh. 20 - 24. A blow-dryer and a vacuum cleaner each operate...Ch. 20 - 25. There are approximately 110 million households...Ch. 20 - Prob. 26PCh. 20 - Prob. 27PCh. 20 - Prob. 28PCh. 20 - Prob. 29PCh. 20 - *30. A piece of Nichrome wire has a radius of 6.5...Ch. 20 - Prob. 31PCh. 20 - Prob. 32PCh. 20 - 33. The rms current in a copy machine is 6.50 A,...Ch. 20 - Prob. 34PCh. 20 - Prob. 35PCh. 20 - Prob. 36PCh. 20 - Prob. 37PCh. 20 - Prob. 38PCh. 20 - Prob. 39PCh. 20 - Prob. 41PCh. 20 - Prob. 42PCh. 20 - Prob. 43PCh. 20 - Prob. 44PCh. 20 - Prob. 45PCh. 20 - Prob. 46PCh. 20 - Prob. 47PCh. 20 - Prob. 48PCh. 20 - Prob. 49PCh. 20 - Prob. 50PCh. 20 - Prob. 51PCh. 20 - Prob. 52PCh. 20 - Prob. 53PCh. 20 - Prob. 54PCh. 20 - Prob. 55PCh. 20 - Prob. 56PCh. 20 - Prob. 57PCh. 20 - Prob. 58PCh. 20 - Prob. 59PCh. 20 - Prob. 60PCh. 20 - Prob. 62PCh. 20 - 63. A 14-? coffee maker and a 16-? frying pan are...Ch. 20 - Prob. 64PCh. 20 - Prob. 65PCh. 20 - 66. The circuit in the drawing contains three...Ch. 20 - Prob. 67PCh. 20 - Prob. 68PCh. 20 - Prob. 69PCh. 20 - Prob. 70PCh. 20 - Prob. 71PCh. 20 - Prob. 74PCh. 20 - Prob. 75PCh. 20 - Prob. 76PCh. 20 - Prob. 77PCh. 20 - Prob. 79PCh. 20 - Prob. 80PCh. 20 - Prob. 81PCh. 20 - 83. Determine the current (both magnitude and...Ch. 20 - *84. Determine the voltage across the 5.0-?...Ch. 20 - Prob. 85PCh. 20 - Prob. 86PCh. 20 - Prob. 87PCh. 20 - Prob. 88PCh. 20 - Prob. 90PCh. 20 - Prob. 91PCh. 20 - Prob. 92PCh. 20 - Prob. 93PCh. 20 - Prob. 94PCh. 20 - Prob. 95PCh. 20 - Prob. 96PCh. 20 - Prob. 97PCh. 20 - Prob. 98PCh. 20 - Prob. 99PCh. 20 - Prob. 100PCh. 20 - Prob. 101PCh. 20 - Prob. 102PCh. 20 - Prob. 103PCh. 20 - Prob. 104PCh. 20 - Prob. 105PCh. 20 - Prob. 106PCh. 20 - Prob. 107PCh. 20 - Prob. 108APCh. 20 - Prob. 111APCh. 20 - Prob. 113APCh. 20 - Prob. 114APCh. 20 - Prob. 116APCh. 20 - *117. The current in the 8.00-? resistor in the...Ch. 20 - Prob. 119APCh. 20 - Prob. 120APCh. 20 - Prob. 122APCh. 20 - Series and parallel wiring are two common ways in...Ch. 20 - Prob. 126CCPCh. 20 - Prob. 127TPCh. 20 - Prob. 128TP
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