How does the mass and size of a dwarf star compare with mass and size of the sun

A weatherman reports, "The storm waves are about 2 meters high and about 35 meters apart." What properties of waves is the reporter describing?

How do forest fires affect the Earth's atmosphere? A) Wind strength is reduced due to the combination of heat and smoke. B) The smoke from large forest fires makes breathing the air difficult.

How many years older will you be 1.30 billion seconds from now? (Assume a 365-day year.)

The graph shows that the molecules in a liquid do not all have the same speed

A tow truck is pulling a car out of a ditch by means of a steel cable (y = 2.0 x 1011 n/m2) that is 9.55 m long and has a radius of 0.437 cm. when the car just begins to move, the tension in the cable is 803 n. how much has the cable stretched?

The force in Newtons on a particle directed along the x-axis is given by F (x) = exp ( - (x/5) + 5) for x≥0 where x is in meters. The particle is constrained to move along the x-axis.

What are electromagnetic waves? what are its characteristics? how do we classify them?

A gas is collected from a radioactive material; upon inspection, the gas is identified as helium. The presence of the helium indicates the radioactive sample is most likely decaying by: A). alpha B). beta + C). beta - D). gamma

Is 30 minutes to nine the same as 30 minutes after 8 in life

In a car changes its philosophy from 32 km/hour to54 km/hour in 8.0 seconds, what is its acceleration?