What science principle describes the way the world works?

Hd 10180g orbits with a period of 600 days at a distance of 1.4 au from its star. what is the ratio of the star's mass to our sun's mass?

When a device is used in a circuit in which the voltage is 81 V, the current flowing through the device is 3a. what is the resistance of the device?

What are the factors that affect the strength of a frictional force? the acceleration of the object the color and density of an object the bouyant forces acting on an object the mass of an object and how rough the surface is

What rhymes with peach

What is the gravitational potential energy of a ball of mass 2.00 kg which is tossed to a height of 13.0 m above the ground? Answer in J, taking the potential energy to be 0.00 J at the ground.

When washing tableware in a three-compartment sink, the water should be at least

In what sense are telescopes like time machines?

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

A satellite has a mass of 6124 kg and is in a circular orbit 4.64 * 105 m above the surface of a planet. the period of the orbit is 1.7 hours. the radius of the planet is 4.42 * 106 m.

A weightlifter Lifes a 100 kg barbell from the floor to a height of 2.00 m in 1.50 seconds. find the power he generates (use G=10 N/KG)