A water rocket can reach a speed of 76 m/s in 0.060 seconds from launch.

What is its average acceleration?

A book is sitting on a desk. what best describes the normal force acting on the book

Who is father of scince

1. Which of the following is a true statement concerning the electrostatic force and gravitational force acting on an electron and a proton in an atom? Fg > Fel Fel > Fg Fg = Fel We would need to know which atom 2.

For a certain driven series RLC circuit, the maximum generator emf is 156 V and the maximum current is 3.32 A. The current leads the generator emf by 0.959 rad. (a) What is the impedance of the circuit?

The fastest time for the Sears Tower (now Willis Tower) stair climb (103 flights, or 2232 steps) is about 20 min. a) Estimate the mechanical power in watts for a top climber. Assume the mass of climber is 80 kg and the heigth of the step is 0.18 m.

Which quantities decrease as the distance between a planet and the sun increase

Compare and contrast deposition caused by wind with deposition caused by moving water.

Which of the following is created by fans? a) Air flow b) Water flow c) Wastewater flow d) Vacuum flow

What are 3 wether instuerments i know anemometer and barometer but the third one and what there job! wlep

Moving 4.0 coulombs of charge through a circuit requires 48 joules of electric energy. What is the potential difference across this circuit? (1) 190 V (3) 12 V (2) 48 V (4) 4.0 V