1: A car traveling at 10 m acceleration uniformly at 2 m. Calculate its velocity after 5 s

A 1200 kg cannon fires a 100.0 kg cannonball at 52 m/s. What is the recoil velocity of the cannon? Assume that frictional forces are negligible and the cannon is fired horizontally. A) 4.3 m/s B) 5.2 m/s C) 52 m/s D) 4.7 m/s

A careless window washer dropped his water bucket from high up on the building. The sound of the bucket reached the window washer 4.7 seconds after he dropped it. If the speed of the sound that that day was 347m/s how high was the window washer

Why would an asteroid have a difficult time of holding a probe or person?

A 77.0 kg firefighter climbs a flight of stairs 8.0 m high. how much work is required? 0 incorrect: your answer is incorrect. j

A student wanted to obtain a very accurate value for the volume of a piece of steel. he filled a 100.0 cm3 graduated cylinder to the 50.0 cm3 mark with water. after he carefully dropped the steel into the cylinder, the water level rose to the 55.

Can more than two waves can interfere in a given medium

Which best explains why the noble gases are chemically unreactive? They have no valence electrons. They have the same number of protons and electrons. They have more neutrons than protons. They have very stable outer electron shells.

Hydraulic systems utilize Bernoulli's principle? true or false

An atom of gadolinium has an atomic number of 64 and a mass number of 154. how many electrons, protons, and neutrons does it contain?

Name four type of friction and give one example for each