If a star's radiation peaks in the ultraviolet region of the spectrum, what could you conclude?

It will not be able to be seen

It is a black hole

It is a very intense star

It is not a very intense star

You fill two balloons with gas, one with hydrogen and one with carbon dioxide. You hold a match to each balloon. The hydrogen balloon explodes in a small fireball. The carbon dioxide balloon pops where the match burns it, but nothing else happens.

1. A man travels 45 m in 35 seconds. How fast is that? What's the answer

What happens when a vector is multiplied by a scalar? a) It gets rotated in the plane b) It gets longer c) It turns into a scalar d) It gets either longer or shorter, but does not change direction

The scientist to first introduce the concept of inertia was

What is the method of charging used when you run a straw with fur

Which type of environment results from an equal amount of solute and solvent in and out of the cell? A. hypertonic environment B. isotonic environment C. hypotonic environment D.

If a 75 W lightbulb operates at a voltage of 120 V, what is the current in the bulb?* A. 1.6A B. 9000 A C. 195 A D. 0.63 A

A resistor and a capacitor are connected in series across an ideal battery having a constant voltage across its terminals. Long after contact is made with the battery (a) the voltage across the capacitor is A) equal to the battery's terminal voltage.

A beam of electrons with a speed of is incident on a slit of width 200. nm. The distance to the detector plane is chosen such that the distance between the central maximum of the diffraction pattern and the first diffraction minimum is 0.300 cm.

Which element has the greatest number of valence electrons? O A. Phosphorus (P) OB. Oxygen (0) O C. Sodium (Na) O D. Magnesium (Mg)