• Part AA bicyclist is finishing his repair of a flat tire when a friend rides by with a constantspeed of 3.0 m/s. Two seconds later the bicyclist hops on his bike andaccelerates at 2.0 m/s until he catches his friend.How much time does it take until he catches his friend (after his friend passes him)?Express your answer using two significant figures.emplates Symbols undo redo Teset keyboard shortcuts helpt =SubmitRequest AnswerPart BHow far has he traveled in this time?Express your answer using two significant figures.Templates Symßols undo redo Teset keyboard shortcuts helpmSubmitRequest Answer• Part CWhat is his speed when he catchesExpress your answer using two significant figures.Temgtates Symbols undo regdo Tesel keyboard shortcuts helpPasm/sSubmitRequest Answer

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Description: • Part AA bicyclist is finishing his repair of a flat tire when a friend rides by with a constantspeed of 3.0 m/s. Two seconds later the bicyclist hops on his bike andaccelerates at 2.0 m/s until he catches his friend.How much time does it take unti

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Part A A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.0 m/s. Two seconds later the bicyclist hops on his bike and accelerates at 2.0 m/s until he catches his friend. How much time does it take until he catches his triend (after his triend passes him)? Express your answer using two significant figures. Templates Symbols undo redo Teset keyboard shortouts help Submit Request Answer Part B How far has he traveled in this time? Express your answer using two significant figures. Templates Symblols undo rego reset keyboard shortcuts help m Submit Request Answer Part C What is his speed when he catches up? Express your answer using two significant figures. Temgtates Symbols undo redo Teset keyboard shortcuts Help m/s Submit Request Answer

Part A A bicyclist is finishing his repair of a flat tire when a friend rides by with a constant speed of 3.0 m/s. Two seconds later the bicyclist hops on his bike and accelerates at 2.0 m/s until he catches his friend. How much time does it take until he catches his triend (after his triend passes him)? Express your answer using two significant figures. Templates Symbols undo redo Teset keyboard shortouts help Submit Request Answer Part B How far has he traveled in this time? Express your answer using two significant figures. Templates Symblols undo rego reset keyboard shortcuts help m Submit Request Answer Part C What is his speed when he catches up? Express your answer using two significant figures. Temgtates Symbols undo redo Teset keyboard shortcuts Help m/s Submit Request Answer

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter2: Motion In One Dimension

Section: Chapter Questions

Problem 66AP: Two students air on a balcony a distance h above the street. One student throws a ball vertically...

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Two students air on a balcony a distance h above the street. One student throws a ball vertically down-ward at a speed v0; at the same time, the other student throws a ball vertically upward at the same speed. Answer the following symbolically in terms of v0, g, h, and t. (a) Write the kinematic equation for the y-coordinate of each ball, (b) Set the equations found in part (a) equal to height 0 and solve each for t symbolically using the quadratic formula. What is the difference in the two balls' time in the air? (c) Use the time-independent kinematics equation to find the velocity of each ball as it strikes the ground, (d) How far apart are the balls at a time t after they are released and before the strike the ground?
Can an object have a negative acceleration and be speeding up? If so, describe a possible physical situation and a corresponding coordinate system. If not, explain why not.
Moving sidewalks are installed every other 50 meters along the entire stretch of an airport walkway. These sidewalks move at a constant speed of 1 m/s. A lady passenger takes one of the sidewalks to go from one point to the next. If the passenger decides to go back using the same sidewalk at 1 m/s, how long will it take to reach her point of origin?
The record distance in the sport of throwing cowpats is81.1 m. This record toss was set by Steve Urner of the UnitedStates in 1981. Assuming the initial launch angle was 45°and neglecting air resistance, determine (a) the initial speedof the projectile and (b) the total time the projectile was inflight. (c) Qualitatively, how would the answers change if thelaunch angle were greater than 45°? Explain.
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You take your dog on a walk to a nearby park. On the way, yourdog takes many short side trips to chase squirrels, examine fire hydrants, and so on. When you arrive at the park, do you and yourdog have the same displacement from home? Have you and yourdog traveled the same distance? Explain
Suppose that Sue runs faster than Kathy throughout a1500-meter race. What is the physical meaning of the areabetween their velocity curves for the first minute of the race?
You are standing on a straight stretch of road and watching the motion of a bicycle; you choose your position as the origin. At one instant, the position of the bicycle is negative and its velocity is positive. Is the bicycle getting closer to you or farther away? Explain.
Please explain how to do this question. A particle moving in a straight line passes through a fixed point O The displacement s metres of the particle, t seconds after it passes through O, is given by s = 5t – 3 cos 2t + 3. (ii) Find the maximum velocity of the particle and the value of t at which this first occurs.
complete solution 1. What is the magnitude of the displacement of a car that travels 7.6 mi east and then 8.9 mi north? One mile is 1609.34 meters. 2. A car that travels at 8.9 km/hr for 2.0 hrs, at 3.6 km/hr for 1.0 hr and at 2 km/hr for half an hour. What is its average speed? 3. If the ball was kicked from ground gaining a velocity of 87 m/s at 5.9 degrees from the horizontal. Find the velocity of the ball when it reached maximum height. Select one: a. 86.5391 m/s b. 8.9430 m/s c. 9.81 m/s d. 0 m/s 4. In a construction site, a heavy hollow block falls down from a height of 63m above the ground. Unfortunately, there is a man 6ft height tall right below the incident. As to what maximum time should the man react as to safely move away from the falling block?1m = 3.2808ft 5. A hiker goes 6 km, 67 degrees east of north then changes direction and goes 5 km, 34 degrees west of north. How far is he from the starting point?
Amtrak's 20th-Century Limited is en route from Chicago to New York at 120 km/h when the engineer spots a cow on the track. The train brakes to a halt in 1.5 min , stopping just in front of the cow. What is the magnitude of the train's acceleration?
You are sitting in your car at a red light when you see a zombie standing still 65m in front of your car. You both begin to accelerate towards each other. Your car accelerates at 1.8 m/s^2 and the zombie accelerates at 0.6 m/s^2. How long does it take for you to strike the zombie? Make sure to include a diagram of the physical situation, label know and unknown quantities with units, coordinate system. Please use grade 12 kinematics and label the variables as v1, v2, a (Acceleration), t (time), d (displacement) Thanks!