Question

Section-B
Q.2 What is energy?
Q.3 Define average speed.
Q.4 Which of the quantities-speed, velocity and acceleration have same SI u
Q.5 Define work with proper formula.
Q.6 What is cell?
Q.7 What is the functions of cell wall?
-0.8 Name power house of cell?
Q.9 What is the role of Golgi Complex?
10 What is role of ribosome?
Q.11 What happens when a glass is cooled?
Q.12 Define solution?
Q. 13 Name three substances which can sublime?
Q.14 What is a matter?
Section-C
Q. 15 Derive the expression for kinetic energy.
0.16 What is colloidal solution?
0.17. What is freezing point of a liquid?
- 18 Dafine uniform acceleration​

Answer 1

Answer:

energy is the quantities property that must be transferred at on object in order to perform work on or to hear that object energy is a conserved quantity , law

Answer 2

Answer:

1) energy- capacity to do work is called energy.

2)the total distance traveled divided by the total time elapsed.

5)a task or task to be undertaken formula- work= force× distance

6) cell is the fundamental structural and functional unit of life

7) to control the cytoplasm in it .

8) mitochondria is the power house of cell .

9)