On a road trip, you travel from the 100 mile marker to the 250 mile marker in 2 hours. How fast are you going?

Zirconium has an hcp crystal structure and a density of 6.51 g/cm3. (a) what is the volume of its unit cell in m3? (b) if the c/a ratio is 1.593, compute the values of c and a.

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

Part a constants huck finn walks at a speed of 0.60 m/s across his raft (that is, he walks perpendicular to the raft's motion what is huck's velocity (speed and direction) relative to the river bank? express your answer to three significant figures and include the appropriate units. relative to the shore)