Train ever completely within the tunnel

Reference no: EM13539743

A supertrain of proper length 97 m travels at a speed of 0.91c as it passes through a tunnel having proper length 50 m. As seen by a trackside observer, is the train ever completely within the tunnel?

Reference no: EM13539743

Questions Cloud

Find how much force is required to lift the lid at sea level : A lid is put on a box that is 11 cm long, 11 cm wide, and 8.0 cm tall and the box is then evacuated until its inner pressure is 4.2 104 Pa. How much force is required to lift the lid at sea level

Deal with the period from a foreign policy - cold war era : Online archives locate a primary source document from the Cold War era - Your document can deal with the period from a foreign policy/military standpoint or from a domestic/social viewpoint.

A dipole moment is placed in a uniform electric field : A dipole moment is placed in a uniform electric field oriented along an unknown direction. The maximum torque applied to the dipole is equal to 0.1 N.m. When the dipole reaches equilibrium its potential energy is equal to -0.2 J.

How much of the train is still outside the tunnel : A supertrain of proper length 97 m travels at a speed of 0.91c as it passes through a tunnel having proper length 50 m. As seen by a trackside observer, is the train ever completely within the tunnel? Yes No If so, how much room does it have to spare..

Train ever completely within the tunnel : A supertrain of proper length 97 m travels at a speed of 0.91c as it passes through a tunnel having proper length 50 m. As seen by a trackside observer, is the train ever completely within the tunnel?

Compute what is the final temperature of the gas : The pressure of a gas is kept constant while 3 m3 of the gas at an initial temperature of 50oC is expanded to 9 m3. What is the final temperature of the gas

Intermediate calculations to minimize rounding error : An atomic clock moves at 1400 km/h for 1.15 h as measured by an observer using an identical clock on Earth. How many nanoseconds slow will the moving clock be at the end of the 1.15-h interval? Hint: The following approximation is helpful: 1 ? x ? (1..

Obtain how long does it take motor to make one revolution : Some bacteria are propelled by biological motors that spin hair-like flagella. How long does it take the motor to make one revolution

An astronaut is traveling in a space vehicle : An astronaut is traveling in a space vehicle that has a speed of 0.510c relative to Earth. The astronaut measures his pulse rate at 73.0 per minute. Signals generated by the astronaut's pulse are radioed to Earth when the vehicle is moving perpend..

User Account

All Pages