Ask a New Question

Question

A ball is dropped from a high building. Using the approximate value of g = 10 m/s2, find the change in velocity between the fourth and seventh second of its flight
13 years ago

Answers

bobpursley
find v(7) : v(7)=10*7=70
find v(4) : v(4)=10*4=40

calculate the change.
13 years ago
Mina
30 is the change
13 years ago
Anonymous
30m/s
9 years ago

Related Questions

A stone is dropped from a high altitude and 3 s later another stone is projected downward with a spe... A brick is dropped from a high scaffold. (a) What is its velocity after 4.5 s? m/s (b) Ho... a ball is dropped from the top on an 80-m high building. what speed does the ball have in falling 3.... A ball is dropped a high cliff, and two second later another ball was thrown vertically downwards wi... a rock is dropped from a high brige.at the end of 3 seconds of free fall the speed of the rock is:[i... A ball is dropped from the top of an apartment building. A person is on a patio somewhere beneath t... A ball is dropped from the top of the 9th storey building reaches the ground in 3 sec .find the heig... A rock is dropped from a high bridge. At the end of 3sec of free fall. The speed of rock is, in cent... W24) A ball is dropped from rest from a height h above the ground. Another ball is thrown vertically... A ball is dropped from the top of a building. When does the ball have the most potential energy?...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use