A stone is dropped from the top of a cliff. the splash it makes when striking the water below is heard 3.5 s later. the speed of sound in air is 343 m/s.

How much volume (in cm3) is gained by a person who gains 11.6 lbs of pure fat?

A system absorbs 21.6 kJ of heat while performing 6.9 kJ of work on the surroundings. If the initial internal energy, E, is 61.2 kJ, what is the final value of E?

How do magnetics ruin electronic devices

A 1,600 kg car traveling north at 10.0 m/s crashes into a 1,400 kg car traveling east at 15 m/s at an unexpectedly icy intersection. The cars lock together as they skid on the ice. What is their speed after the crash?

Displacement vector of 4 km north, 2 km south, 5 km north, and 5km south combine to a total displacement of? A 2 km South b 16 km south c 16 km north d 2km north?

A rock is thrown from a cliff and hits the ground five seconds later at a distance of 50 m from the cliff how high was a cliff

A 15.0 m long plane is inclined at 30.0 degrees. If the coefficient of friction is 0.426, what force is required to move a 40.0 kg mass from rest at the bottom on the plane to the top of the plane with a final velocity of 8.00 m/s?

In a pig-calling contest, a caller produces a sound with an intensity level of 60 db. how many such callers would be required to reach the pain level of 120 db? 2 incorrect: your answer is incorrect.

Why is the use of scientific names important in biology?

1) what is a calorie?