Physics
7th Edition
ISBN: 9780321625915
Author: Douglas C. Giancoli
Publisher: PEARSON
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Chapter 2, Problem 69GP
To determine
The average deceleration of person in water.
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Chapter 2 Solutions
Physics
Ch. 2 - Two small heavy balls have the same diameter but...Ch. 2 - Does a car speedometer measure speed, velocity, or...Ch. 2 - When an constant velocity, does its during any...Ch. 2 - Prob. 3QCh. 2 - Prob. 4QCh. 2 - Prob. 5QCh. 2 - Prob. 6QCh. 2 - Give an example where both the velocity and...Ch. 2 - Can an object be increasing in speed as its...Ch. 2 - Two cars emerge side by side from a tunnel. Car A...
Ch. 2 - A baseball player hits a ball straight up into the...Ch. 2 - As a freely falling object speeds up, what is...Ch. 2 - You travel from point A to point B in a car moving...Ch. 2 - Can an object have zero velocity and nonzero...Ch. 2 - Can an object have zero acceleration and nonzero...Ch. 2 - Which of these motions is not at constant...Ch. 2 - Describe in words the motion plotted in Fig. 2-32...Ch. 2 - Describe in words the motion of the object graphed...Ch. 2 - Which of the following should be part of solving...Ch. 2 - In which of the following cases does a car nave a...Ch. 2 - At time t = 0 an object is traveling to the right...Ch. 2 - A ball is thrown straight up. What are the...Ch. 2 - You drop a rock off a bridge. When the rock has...Ch. 2 - You drive 4 km at 30 km/h and then another 4 km at...Ch. 2 - A ball is dropped from the top of a tall building....Ch. 2 - A ball is thrown downward at a speed of 20 m/s....Ch. 2 - A car travels along the x axis with increasing...Ch. 2 - If you are driving 95 km/h along a straight road...Ch. 2 - What must your car's average speed be in order to...Ch. 2 - A particle at t1= 2.0 s is atx1=4.8cm and at t2=...Ch. 2 - A rolling ball moves from x1 =8.4 cm to x2 =-4.2...Ch. 2 - A bird can fly 25 km/h. How long does it take to...Ch. 2 - According to a rule-of-thumb, each five seconds...Ch. 2 - You are driving home from school steadily at 95...Ch. 2 - Prob. 8PCh. 2 - A person jogs eight complete laps around a 400-m...Ch. 2 - Prob. 10PCh. 2 - A car traveling 95 km/h is 210 m behind a truck...Ch. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - Prob. 16PCh. 2 - A sports car accelerates from rest to 95 km/h in...Ch. 2 - Prob. 18PCh. 2 - 19.(II) A sports car moving at constant velocity...Ch. 2 - Prob. 20PCh. 2 - 21.(II) A car moving in a straight line starts at...Ch. 2 - A car slows down from 28 m/s to rest in a distance...Ch. 2 - A car accelerates from 14 m/s in 6.0 s. What was...Ch. 2 - A light plane must reach a speed of 35 m/s for...Ch. 2 - Prob. 25PCh. 2 - Prob. 26PCh. 2 - 27.(II) A car slows down uniformly from a speed of...Ch. 2 - Prob. 28PCh. 2 - Prob. 29PCh. 2 - Prob. 30PCh. 2 - Detemine the stopping distances for an automobile...Ch. 2 - A driver is traveling 18.0 m/s when she sees a red...Ch. 2 - 33.(II) A 75-m-long train begins uniform...Ch. 2 - Prob. 34PCh. 2 - Prob. 35PCh. 2 - Prob. 36PCh. 2 - 37.(III) Marry and Sally are in a foot race (Fig....Ch. 2 - 38.(III) An unmarked police car traveling a...Ch. 2 - A stone is dropped from the top of a cliff. It is...Ch. 2 - Estimate (a) how long it look King Kong to fall...Ch. 2 - A ball player catches a ball 3.4 s after throwing...Ch. 2 - Prob. 42PCh. 2 - A kangaroo jumps straight up to a vertical height...Ch. 2 - The best rebounders in basketball have a vertical...Ch. 2 - An object starts from rest and fails under the...Ch. 2 - Prob. 46PCh. 2 - Prob. 47PCh. 2 - A rocket rises vertically, from rest, with an...Ch. 2 - Prob. 49PCh. 2 - Prob. 50PCh. 2 - Prob. 51PCh. 2 - Prob. 52PCh. 2 - Prob. 53PCh. 2 - Prob. 54PCh. 2 - Prob. 55PCh. 2 - Prob. 56PCh. 2 - Prob. 57PCh. 2 - Prob. 58PCh. 2 - Prob. 59PCh. 2 - Prob. 60GPCh. 2 - Prob. 61GPCh. 2 - Prob. 62GPCh. 2 - Prob. 63GPCh. 2 - Prob. 64GPCh. 2 - Prob. 65GPCh. 2 - Prob. 66GPCh. 2 - Prob. 67GPCh. 2 - Prob. 68GPCh. 2 - Prob. 69GPCh. 2 - Prob. 70GPCh. 2 - Prob. 71GPCh. 2 - Prob. 72GPCh. 2 - Prob. 73GPCh. 2 - Prob. 74GPCh. 2 - Prob. 75GPCh. 2 - A conveyor belt is used to send burgers through a...Ch. 2 - Two students are asked to find the height of a...Ch. 2 - Prob. 78GPCh. 2 - A race car driver must average 200.0 km/h over the...Ch. 2 - Prob. 80GPCh. 2 - Prob. 81GPCh. 2 - Prob. 82GPCh. 2 - On an audio compact disc (CD), digital bits of...
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- Pls help ASAParrow_forwardFind the integral expression for the magnetic force on a wire carrying 3.5 amps current on the z axis with length2 meters on end at the origin and the other at z=4. Magnetic field is B = 4(zy+4) i - (z-3) j + 20(x+2)/(z-3) k.Don’t take the integral. Integral should contain only x-y-z as variables not rarrow_forwardPls help ASAParrow_forward
- 9. Light of wavelength 442 nm is sent through a single slit with a width of 884 nm. At what angle does the first dark fringe occur? a. 30.0° b. 45.0° C. 60.0° d. 90.0° 10. Light travels through a single-slit and forms an interference pattern. The spacing of the dark fringes on one side of the pattern is 1.44 cm. What is the width of the central maximum? a. 0.720 cm 1.44 cm b. C. 2.88 cm d. 4.32 cmarrow_forwardPls help ASAParrow_forwardd. when the index of refraction of medium A is equal to the index of refraction of medium B 7. What is the term for the bending of a wave front as it passes an obstacle? a. interference b. reflection C. d. diffraction refraction 8. A ray of light travels from air into a soap film on a layer of glass, as shown right. Which statement about ray 1 is true? a. There is no inversion at either surface. b. There is an inversion the surface between air and soap, but not soap and glass. C. There is no inversion at the surface between air and soap, incident light ray 1 ray 2 ray 3 but there is one at the surface between soap and glass. d. There is an inversion at both surfaces. air = nair 1.00 soap film nfilm = 1.35 glass = nglass 1.50arrow_forward
- A circular wire with radius 0.4 meters in on x-y plane. There is a constant Magnetic field with 14T strengthtowards z-axis. Find the magnitude of the electromotive force and the direction of the current for a) B decreasesto 10T in 5 seconds. B) B is rotated by 45 degrees and the area doubles in 4 seconds.arrow_forwardWrite the expression for the magnetic flux inside a region om x-z plane at y=0 bounded by z=3x z=0 x=5 x=7due to a magnetic field B = f(x,y,z) i +g(x,y,z) j + h(x,y,z) karrow_forwardExplain mutual inductance of two loops facing one another and compare with one loop inside the other.arrow_forward
- Two very long wires carry each 3 amps current in the same direction along the z-axis (outward). First is at x=0y=0 current is upward. Second at x=0 y=3 current is also upward. Find the net magnetic field at x=4 y=3.arrow_forwardFind the integral expression for the magnetic field at x=5 y=6 due to a wire on the x axis with length 5 meters onend at x=0 and the other at x=5. Don’t take the integralarrow_forwardTwo very long wires carry current along y-axis. First is at x=0 0.45 amps current is upward. Second at x=5 currentwith 0.65 amps current downward. Find the net magnetic a) Two meters to the left of the first wire. b) Twometers to the right of the first wire. a) Two meters to the right of the second wire. b) Two meters to the right ofthe second wire.arrow_forward
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