A rocket train car that is 30 m long is traveling from los angeles to new york at v=0.5c when a light at the center of the car flashes. when the light reaches the front of the car, it immediately rings a bell. light reaching the back of the car immediately sounds a siren. a bicyclist waiting to cross the tracks sees the light in front of her at the instant when it flashes. are the bell and siren simultaneous events for the bicyclist? if not, what time delay does the bicyclist hear between the events?
Answers: 2
Another question on Physics
Physics, 22.06.2019 14:10
Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length
Answers: 1
Physics, 22.06.2019 15:30
Charge is distributed along the entire x-axis with uniform density Ξ». how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, Ξ΅0, Ξ», and q for the charge on an electron.)
Answers: 3
Physics, 22.06.2019 17:50
If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around
Answers: 2
You know the right answer?
A rocket train car that is 30 m long is traveling from los angeles to new york at v=0.5c when a ligh...
Questions
Mathematics, 24.02.2020 23:25
English, 24.02.2020 23:25
Mathematics, 24.02.2020 23:25
