Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 4, Problem 37AP
Lisa in her Lamborghini accelerates at
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Lisa in her Lamborghini accelerates at the rate of (3.401 - 4.20ĵ) m/s², while Jill in her Jaguar accelerates at (2.201 + 2.60ĵ) m/s². They both start from rest at the origin of an xy coordinate system. After 5.00 s, find the following.
(a) What is Lisa's speed with respect to Jill?
m/s
(b) How far apart are they?
m
(c) What is Lisa's acceleration relative to Jill?
a =
m/s²
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Lisa in her Lamborghini accelerates at the rate of (2.20î - 2.20ĵ) m/s², while Jill in her Jaguar accelerates at
(3.00 +2.00ĵ) m/s². They both start from rest at the origin of an xy coordinate system. After 5.00 s, find the following.
(a) What is Lisa's speed with respect to Jill?
m/s
(b) How far apart are they?
m
(c) What is Lisa's acceleration relative to Jill?
a =
m/s²
I just wanted to make sure I did this right
a) What is the car’s average speed, in km/h, from Hither to Yon for the first part of the trip?
G: △d=450Km △T=4.50hr
U: v
E v=△d△t
S v=450km4.50hr
S the average speed from Hither to Yon is 100km/h
b)How long, in hours, did it take for the car to return to Hither from Yon?
G: △d=90.0km/h V=100km/h
U: △t
E △t=△dV
S △t=90.0km100km/h
S It took 9.0hr to get back to Hither from Yon
c) What is the average velocity of the car for the entire (whole) journey, from Hither to Yon, and back to Hither?
G △d =450km + 450km = 900km △T=4.50hr+4.50hr=9.0hr
U: V
E v=△d△t
S v=900km9.0hr
S the average velocity for the entire journey is 100km/hr
Chapter 4 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 4.1 - Consider the following controls in an automobile...Ch. 4.3 - (i) As a projectile thrown at an upward angle...Ch. 4.3 - Rank the launch angles for the five paths in...Ch. 4.4 - A particle moves in a circular path of radius r...Ch. 4.5 - A particle moves along a path, and its speed...Ch. 4 - Suppose the position vector for a particle is...Ch. 4 - The coordinates of an object moving in the xy...Ch. 4 - The vector position of a particle varies in time...Ch. 4 - It is not possible to see very small objects, such...Ch. 4 - Review. A snowmobile is originally at the point...
Ch. 4 - In a local bar, a customer slides an empty beer...Ch. 4 - Mayan kings and many school sports teams are named...Ch. 4 - A projectile is fired in such a way that its...Ch. 4 - The speed of a projectile when it reaches its...Ch. 4 - Prob. 10PCh. 4 - A firefighter, a distance d from a burning...Ch. 4 - A basketball star covers 2.80 m horizontally in a...Ch. 4 - A student stands at the edge of a cliff and throws...Ch. 4 - Prob. 14PCh. 4 - A home run is hit in such a way that the baseball...Ch. 4 - Prob. 16PCh. 4 - A boy stands on a diving board and tosses a stone...Ch. 4 - In Example 4.6, we found the centripetal...Ch. 4 - The astronaut orbiting the Earth in Figure P4.19...Ch. 4 - An athlete swings a ball, connected to the end of...Ch. 4 - The athlete shown in Figure P4.21 rotates a...Ch. 4 - A tire 0.500 m in radius rotates at a constant...Ch. 4 - (a) Can a particle moving with instantaneous speed...Ch. 4 - A ball swings counterclockwise in a vertical...Ch. 4 - Prob. 25PCh. 4 - The pilot of an airplane notes that the compass...Ch. 4 - You are taking flying lessons from an experienced...Ch. 4 - A car travels due east with a speed of 50.0 km/h....Ch. 4 - Prob. 29PCh. 4 - Prob. 30PCh. 4 - A river flows with a steady speed v. A student...Ch. 4 - You are participating in a summer internship with...Ch. 4 - A farm truck moves due east with a constant...Ch. 4 - A ball on the end of a string is whirled around in...Ch. 4 - Prob. 35APCh. 4 - A particle starts from the origin with velocity...Ch. 4 - Lisa in her Lamborghini accelerates at...Ch. 4 - A boy throws a stone horizontally from the top of...Ch. 4 - Why is the following situation impossible? Albert...Ch. 4 - As some molten metal splashes, one droplet flies...Ch. 4 - Prob. 41APCh. 4 - A pendulum with a cord of length r = 1.00 m swings...Ch. 4 - A spring cannon is located at the edge of a table...Ch. 4 - A projectile is launched from the point (x = 0, y...Ch. 4 - A fisherman sets out upstream on a river. His...Ch. 4 - An outfielder throws a baseball to his catcher in...Ch. 4 - Prob. 47APCh. 4 - You are on the Pirates of the Caribbean attraction...Ch. 4 - A skier leaves the ramp of a ski jump with a...Ch. 4 - A projectile is fired up an incline (incline angle...Ch. 4 - Two swimmers, Chris and Sarah, start together at...Ch. 4 - In the What If? section of Example 4.5, it was...Ch. 4 - A fireworks rocket explodes at height h, the peak...
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