Gabriel and arely have performed an experiment and are not sure their results are valid. what should they do to check their results

A starlike object seen on deep sky photographs coincides with an intense radio source and has a spectrum in which the characteristic lyman pattern of hydrogen spectral lines has been shifted from the ultraviolet to the visible spectral range.

How will heat flow between objects? A: from the warmer object to the colder object B: back and forth between objects of equal temperature C: from the colder object to the warmer object D: Bfrom the bottom object to the object on top

What properties of water make it useful for washing and cleaning

A 3000 kg freight train traveling at a rate of 2 m/s strikes a stationery 3000 kg freight car and couples up. What is the speed of the 2 cars as they move together after the collision?

Two balls have their centers 2.0 m apart. One ball has a mass of m1 = 7.9 kg. The other has a mass of m2 = 6.1 kg. What is the gravitational force between them? (Use G = 6.67 10-11 N · m2/kg2.)

An AC generator has 80 rectangular loops on its armature. Each loop is 12 cm long and 8 cm wide. The armature rotates at 1200 rpm about an axis parallel to the long side. If the loop rotates in a uniform magnetic field of 0.

How fast would the moon need to travel in order to escape the gravitational pull of Earth, if Earth has a mass of 5.98 X 1024 kg and the distance from Earth to the moon is 3.84 x 108 m?

6. A technlclan can be electrocuted when working on HEVs or EVs. A) O True B) O False

You light a light bulb with a 1.5 volt battery. if the bulb has a resistance of 10 ohms, how much current is flowing?

How are the mass and weight an object related? Include a description with words and a equation.