Two locomotives approach each other on parallel tracks. Each has a speed v = 160 km/h...
Two locomotives approach each other on parallel tracks. Each has a speed v = 160 km/h with respect to the ground.
If they are d = 7.5 km initially apart, how long will it be before they reach each other?
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Two locomotives approach each other on parallel tracks. Each has
a speed v = 160 km/h...
Two locomotives approach each other on parallel tracks. Each has a speed of v = 85...
Two locomotives approach each other on parallel tracks. Each has a speed of v = 85 km/h with respect to the ground. If they are initially d = 9.5 km apart, how long will it be before they reach each other?
1) Two locomotives approach each other on parallel tracks. Each has a speed of v =...
1) Two locomotives approach each other on parallel tracks. Each has a speed of v = 90 km/h with respect to the ground. If they are initially L = 6.0 km apart, how long will it be before they reach each other? Express your answer to two significant figures and include the appropriate units. 2) You are driving home from school steadily at 85 km/h for 110 km . It then begins to rain and you slow to 50 km/h...
2. Two locomotives are at the opposite ends of a 10.4 km long track. They are...
2. Two locomotives are at the opposite ends of a 10.4 km long track. They are allowed to crash at full speed into each other. Assuming each locomotive weighed 1.4 x 10N and its acceleration was a constant 0.36 m/s2, Determine the total kinetic energy of the two locomotives just before the collision
Two trains on separate tracks move toward each other. Train 1 has a speed of 141...
Two trains on separate tracks move toward each other. Train 1 has a speed of 141 km/h; train 2, a speed of 85.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1? Hz
Two trains on separate tracks move toward each other. Train 1 has a speed of 109...
Two trains on separate tracks move toward each other. Train 1 has a speed of 109 km/h; train 2, a speed of 96.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1? Hz
Two trains face each other on adjacent tracks. They are initially at rest, and their front...
Two trains face each other on adjacent tracks. They are
initially at rest, and their front ends are 49 m apart. The train
on the left accelerates rightward at 0.87 m/s2. The
train on the right accelerates leftward at 0.8
m/s2.
Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 49 m apart. The train on the left accelerates rightward at 0.87 m/s. The train on the right accelerates leftward at...
Two trains on separate tracks move toward each other. Train 1 has a speed of 113...
Two trains on separate tracks move toward each other. Train 1 has a speed of 113 km/h; train 2, a speed of 59.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1? Hz A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 30.7 dB. The hearing aid picks up sound having a frequency of 250 Hz...
Two trains approach each other on separate but adjacent tracks. Train 1 is traveling at a...
Two trains approach each other on separate but adjacent tracks. Train 1 is traveling at a speed of 35.9 m/s and train 2 at a speed of 27.6 m/s. If the engineer of train 1 sounds his horn which has a frequency of 520 Hz, determine the frequency of the sound heard by the engineer of train 2. (Use 343 m/s as the speed of sound. Enter your answer to the nearest Hz.)
An airplane has a speed of 270 km/h with respect to the air. There is a...
An airplane has a speed of 270 km/h with respect to the air. There is a wind blowing at 65 km/h at 30° north of east with respect to Earth. In which direction should the plane head in order to land at an airport due north of its present location? What would be the plane's speed with respect to the ground?
6. An airplane has a speed of 120 km/h degrees east of north when a wind start 2: Long Answer (15...
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2. Two locomotives are at the opposite ends of a 10.4 km long track. They are allowed to crash at full speed into each other. Assuming each locomotive weighed 1.4 x 10N and its acceleration was a constant 0.36 m/s2, Determine the total kinetic energy of the two locomotives just before the collision
Two trains on separate tracks move toward each other. Train 1 has a speed of 109 km/h; train 2, a speed of 96.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1? Hz
Two trains face each other on adjacent tracks. They are
initially at rest, and their front ends are 49 m apart. The train
on the left accelerates rightward at 0.87 m/s2. The
train on the right accelerates leftward at 0.8
m/s2.
Two trains face each other on adjacent tracks. They are initially at rest, and their front ends are 49 m apart. The train on the left accelerates rightward at 0.87 m/s. The train on the right accelerates leftward at...
Two trains on separate tracks move toward each other. Train 1 has a speed of 113 km/h; train 2, a speed of 59.0 km/h. Train 2 blows its horn, emitting a frequency of 500 Hz. What is the frequency heard by the engineer on train 1? Hz A person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by 30.7 dB. The hearing aid picks up sound having a frequency of 250 Hz...
6. An airplane has a speed of 120 km/h degrees east of north when a wind start 2: Long Answer (15 points) Two trains, both traveling at 30 m/s, are headed toward each other on the same track. When they are 4.0 km apart they see each other and slam on the brakes a) If their decelerations are constant and equal, what must be the magnitudes of these accelerations if the trains are to barely avoid collision? b) How many...
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