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?
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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 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?
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...
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
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 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.)
is catcher's glove? d) What the ball 40 m above the ground? its velocity after 1.5s!...
is catcher's glove? d) What the ball 40 m above the ground? its velocity after 1.5s! e) What is its heignt alter 71 12. (4 pts) Two locomotives are traveling in the same direction on parallel tracks. The first has a speed of 60 mph relative to the ground. The second has a speed of 40 mph and is ahead. If the trains are 45 miles apart, in how much time will the faster train pass the slower train?
Two particles approach each other with equal and opposite speed, v. The mass of one particle...
Two particles approach each other with equal and opposite speed, v. The mass of one particle is m, and the mass of the other particle is nm, where n is just a unitless number. Snapshots of the system before, during, and after the elastic collision are shown. Before Collision After m final After the collision, the first particle moves in the exact opposite direction with speed 0.7500, and the speed of the second particle, Vnmfinal, is unknown. What is the...
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
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 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...
is catcher's glove? d) What the ball 40 m above the ground? its velocity after 1.5s! e) What is its heignt alter 71 12. (4 pts) Two locomotives are traveling in the same direction on parallel tracks. The first has a speed of 60 mph relative to the ground. The second has a speed of 40 mph and is ahead. If the trains are 45 miles apart, in how much time will the faster train pass the slower train?
Two particles approach each other with equal and opposite speed, v. The mass of one particle is m, and the mass of the other particle is nm, where n is just a unitless number. Snapshots of the system before, during, and after the elastic collision are shown. Before Collision After m final After the collision, the first particle moves in the exact opposite direction with speed 0.7500, and the speed of the second particle, Vnmfinal, is unknown. What is the...
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