Two runners are running a 2 kilometre race on a circular 400 meter track. The ratio of the speed is 3:2. The runner run in the opposite directions, beginning at the same time at the same start of the...
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Two runners are running a 2 kilometre race on a circular 400 meter track. The ratio of the speed is 3:2. The runner run in the opposite directions, beginning at the same time at the same start of the...
Runner Rendezvous. Two runners start simultaneously at opposite ends of a straight 200 m track and...
Runner Rendezvous. Two runners start simultaneously at opposite ends of a straight 200 m track and run towards each other. Runner A runs at a steady 9.00 m/s, while Runner B runs at a constant 5.00 m/s. a) Draw a diagram of this situation. Include a coordinate system in your diagram, and label the initial positions and velocities of both runners. Also estimate where the runners would meet and label it as x. b) Write equations for the position of...
Two runners in a 100 m race start from the same place. Runner A starts as...
Two runners in a 100 m race start from the same place. Runner A starts as soon as the starting gun is fired and runs at a constant speed of 8.00 m/s. Runner B isn’t really paying attention and starts running 2.0 s later and runs at a constant speed of 9.3 m/s. a. Draw a position vs time graph for each runner. b. Who wins the race? c. At the instant the winner crosses the finish line, how far...
4. Two runners in a 100 m race start from the same place. Runner A starts...
4. Two runners in a 100 m race start from the same place. Runner A starts as soon as the starting gun is fired and runs at a constant speed of 8.00 m/s. Runner B isn't really paying attention and starts running 2.0 s later and runs at a constant speed of 9.3 m/s. a. Draw a position vs time graph for each runner. b. Who wins the race? c. At the instant the winner crosses the finish line, how...
4. Two runners in a 100 m race start from the same place. Runner A starts...
4. Two runners in a 100 m race start from the same place. Runner A starts as soon as the starting gun is fired and runs at a constant speed of 8.00 m/s. Runner B isn't really paying attention and starts running 2.0 s later and runs at a constant speed of 9.3 m/s. a. Draw a position vs time graph for each runner. b. Who wins the race? c. At the instant the winner crosses the finish line, how...
Show all work 2) Runner Rendezvous. Two runners start simultaneously at opposite ends of a straight...
Show all work
2) Runner Rendezvous. Two runners start simultaneously at opposite ends of a straight 200 m track and run towards each other. Runner A runs at a steady 9.00 m/s, while Runner B runs at a constant 5.00 m/s. a) Draw a diagram of this situation. Include a coordinate system in your diagram, and label the initial positions and velocities of both runners. Also estimate where the runners would meet and label it as x. b) Write equations...
Show all work 2) Runner Rendezvous. Two runners start simultaneously at opposite ends of a straight...
Show all work
2) Runner Rendezvous. Two runners start simultaneously at opposite ends of a straight 200 m track and run towards each other. Runner A runs at a steady 9.00 m/s, while Runner B runs at a constant 5.00 m/s. a) Draw a diagram of this situation. Include a coordinate system in your diagram, and label the initial positions and velocities of both runners. Also estimate where the runners would meet and label it as x. Write equations for...
Two joggers are running with constant speed in opposite directions around a circular lake. One jogger...
Two joggers are running with constant speed in opposite directions around a circular lake. One jogger runs at a speed of 2.15 m/s; The other runs at a speed of 2.55 m/s. The track around the lake is 300m long, and the two joggers pass each other at exactly 3:00 PM. How long is it before the next time the two joggers pass each other again?
Please help me ONLY for the second method : public static int[] runningGroups(String[] inputFileNames) throws IOException....
Please help me ONLY for the second method : public
static int[] runningGroups(String[] inputFileNames) throws
IOException.
The second method has an "array of files as a parameter". and
return int [ ]. Each element of the return array is the number of
group that can get from the first method.
I got an error Exception in thread "main"
java.lang.NullPointerException
Here my code:
import java.io.*;
import java.util.ArrayList;
import java.util.Scanner;
public class RunningGroups {
public static void main(String[] args) throws IOException...
ms H: 10 42 11 Two equal and opposite forces of 3 N have a netforce...
ms H: 10 42 11 Two equal and opposite forces of 3 N have a netforce of A9N B6N c3N DON Which of the following is NOT a constant for an object in uniform circular motion! A distance with time speed e velocity D acceleration magnitude Work is A energy times distance, B force times distance. c force times time. D momentum times distance. You push against Plymouth Rock with a force of 100 newtons for 20.0 seconds. If the...
2. Suppose a car travels 108 km at a speed of 20.0 m/s, and uses 2.20...
2. Suppose a car travels 108 km at a speed of 20.0 m/s, and uses
2.20 gallons of gasoline. Only 30% of the gasoline goes into useful
work by the force that keeps the car moving at constant speed
despite friction. (The energy content of gasoline is 1.3 ✕
108 J per gallon.)
(a) What is the force exerted to keep the car moving at constant
speed?
N
(b) If the required force is directly proportional to speed, how
many...
4. Two runners in a 100 m race start from the same place. Runner A starts as soon as the starting gun is fired and runs at a constant speed of 8.00 m/s. Runner B isn't really paying attention and starts running 2.0 s later and runs at a constant speed of 9.3 m/s. a. Draw a position vs time graph for each runner. b. Who wins the race? c. At the instant the winner crosses the finish line, how...
4. Two runners in a 100 m race start from the same place. Runner A starts as soon as the starting gun is fired and runs at a constant speed of 8.00 m/s. Runner B isn't really paying attention and starts running 2.0 s later and runs at a constant speed of 9.3 m/s. a. Draw a position vs time graph for each runner. b. Who wins the race? c. At the instant the winner crosses the finish line, how...
Show all work
2) Runner Rendezvous. Two runners start simultaneously at opposite ends of a straight 200 m track and run towards each other. Runner A runs at a steady 9.00 m/s, while Runner B runs at a constant 5.00 m/s. a) Draw a diagram of this situation. Include a coordinate system in your diagram, and label the initial positions and velocities of both runners. Also estimate where the runners would meet and label it as x. b) Write equations...
Show all work
2) Runner Rendezvous. Two runners start simultaneously at opposite ends of a straight 200 m track and run towards each other. Runner A runs at a steady 9.00 m/s, while Runner B runs at a constant 5.00 m/s. a) Draw a diagram of this situation. Include a coordinate system in your diagram, and label the initial positions and velocities of both runners. Also estimate where the runners would meet and label it as x. Write equations for...
Please help me ONLY for the second method : public
static int[] runningGroups(String[] inputFileNames) throws
IOException.
The second method has an "array of files as a parameter". and
return int [ ]. Each element of the return array is the number of
group that can get from the first method.
I got an error Exception in thread "main"
java.lang.NullPointerException
Here my code:
import java.io.*;
import java.util.ArrayList;
import java.util.Scanner;
public class RunningGroups {
public static void main(String[] args) throws IOException...
ms H: 10 42 11 Two equal and opposite forces of 3 N have a netforce of A9N B6N c3N DON Which of the following is NOT a constant for an object in uniform circular motion! A distance with time speed e velocity D acceleration magnitude Work is A energy times distance, B force times distance. c force times time. D momentum times distance. You push against Plymouth Rock with a force of 100 newtons for 20.0 seconds. If the...
2. Suppose a car travels 108 km at a speed of 20.0 m/s, and uses
2.20 gallons of gasoline. Only 30% of the gasoline goes into useful
work by the force that keeps the car moving at constant speed
despite friction. (The energy content of gasoline is 1.3 ✕
108 J per gallon.)
(a) What is the force exerted to keep the car moving at constant
speed?
N
(b) If the required force is directly proportional to speed, how
many...
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