Differentiate convection and conduction class 7

Spacecraft orbit the earth in a circular orbit. true or false

A submarine has a "crush depth" (that is, the depth at which water pressure will crush the submarine) of 250 m. What is the approximate pressure (water plus atmospheric) at this depth? (Recall that the density of seawater is 1025 kg/m3 g = 9.

If gas is in a sealed container has a pressure of 50 kPa at 300 K what will the pressure be if the temperature rises to 360k

Fill in the blanks to complete the statements. If an object changes speed or, its velocity also changes. Any change in results in acceleration.

A hybrid is A. has two dominant genes B. is heterozygous C. is homozygous D. has two recessive genes

Why is the thickness greater for the bass strings of a guitar than for the treble strings?

An atom of helium and one of argon are singly ionized - one electron is removed from each. The two ions are then accelerated from rest by the electric field between two plates with a potential difference of 150 V.

Comparing and contrasting ionic and covalent bonds?

The difference between the speed of sound n air at 0°C and the speed of sound in air at 20°c is that ... A. Cooler air molecules move more slowly and respond less readily to the energy of a sound wave. B.

Give the symbols for 4 species that are isoelectronic with the telluride ion, te2-.