A G main sequence star spends far more time on the main sequence than an O main sequence star because

How are electric force and charge related describe the force when the charges are like charges?

To explore the deepest parts of the ocean scientist have to design special underwater vehicles why do these vehicles need to be extremely strong

Which of the following statements best describes the importance of investigations in science

Luke investigated the heating of water

What formula relates mass volume and density?

In a perfectly inelastic collision, the total momentum of the system ___ (i) ___ constant, while the total kinetic energy of the system___ (ii) ___constant.

What factors determine power

Superman, with a mass of 150kg, goes into outer space to push a 125000kg alien spaceship out of stationary orbit. He uses his super strength and pushes the ship away ay at speed of 150m/s. What is the speed of Superman after his big push

Most telephone cables are made of copper wire of either 24 or 26 gauge. If the resistance of 24-gauge wire is 137 Ω/mile and the resistance of 26-gauge wire is 220 Ω/mile, what is the ratio of the diameter of 24-gauge wire to that of 26-gauge wire?

Classify the sentences based on whether they describe temperature or thermal energy.