A star is twice as massive as the sun. How will it's lifespan compare?

You measure its length as it passes. by how many millimeters do you determine the rod has contracted?

What causes the pressure to increase as you go deeper below the crust?

How does the total momentum of the docked vehicle and station compare to the momentum of each object before the docking maneuver? greater momentum same momentum less momentum (b same momentum) on ed2020

While John is traveling along a straight interstate highway, he notices that the mile marker reads 252 km. John travels until he reaches the 134 km marker and then retraces his path to the 163 km marker.

How much water is produced if 2.5 of h2

A 113 kg man sits on the stern of a 6.3 m long boat. The prow of the boat touches the pier, but the boat isn't tied. The man notices his mistake, stands up and walks to the boat's prow, but by the time he reaches the prow, it's moved 3.

What os the term for the smallest bit into which chemical substance can be divided and still have the properties of that substance A : eletron B:molecule c:atom D:ion

How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57*10-21 newtons?

If you could see the electric field coming off a proton you would notice that electric field lines are

We wrap a light, nonstretching cable around a 10.0 kg kg solid cylinder with diameter of 38.0 cm cm. The cylinder rotates with negligible friction about a stationary horizontal axis. We tie the free end of the cable to a 14.