What can a paleontologist tell from fossil footprints of a dinosaur

Q. Describe the motion of a rocket on tha basis of equation of continuity.

When a star is very hot, it's elements___. A. Take a little energy for the electrons to "jump" from one energy level to the next B. Take a lot of energy for the electrons to "jump" from one energy level to the next C.

When Jenny writes, the pencil exerts a force of 5n on the paper. The area of the contact is 0.5mm square. Calculate the pressure.

A moving walkway has a speed of 0.9 m/s to the east. A stationary observer sees a man walking on the walkway with a velocity of 1.1 m/s to the east. What is the man's velocity relative to the moving walkway? A. 0.2 m/s west B. 0.2 m/s east C. 1.

Two strings of equal length are stretched out with equal tension. The second string is four times as massive as the first string. If a wave travels down the first string with velocity v, how fast does a wave travel down the second string?

Why do my cousin and I look more alike than my sister and I do?

A vessel of 0.25 m3 capacity is filled with saturated steam at 1500 kPa. If the vessel is cooled until 25% of the steam has condensed, how much heat is transferred, and what is the final pressure?

99 pts! Match the vocabulary word with the correction definition. 1. exterior angle of a triangle (Model 1) 2. remote interior angles (Model 2) 3. auxiliary line (Model 3) 4.

What is the unit for electric charge? Kilogram Newton Electron Coulomb

What does the speed of sound depend on?