Answer:
the focal length is 4cm
Explanation:
use the formula 1+1/m = f
it is obtained from the mirror formula
m is the magnification and is the ratio of the image height to the object height
however they should have the same unit . that means you would have to do a little conversion from cm to mm or vice versa .
Rest- to stop doing work or an activity, spend time relaxing
Motion- an act of process of moving
The heat gun<span> obviously wins this round. Master Appliance </span>heat guns<span> can reach temperatures of up to 1,000 Fahrenheit. A handheld </span>blow dryer<span> might reach 131 degrees Fahrenheit. A </span>hair dryer<span> gets hot enough to burn skin, but not hot enough to complete serious tasks like striping paint and removing serious. By the way I got this from google.</span>
Answer:
Explanation:
Velocity:
Formula : displacement/time
SI unit : m/s
Acceleration :
Formula: change in Velocity/time
SI unit : m/s²
Force:
Formula: mass x acceleration due to gravity
SI unit: N(newton)
Mass:
SI unit: kilogram(kg)
Three different units of energy is
1. Joule: is is SI unit of measuring thermal energy or heat
2. Calorie: this system of energy is used when we take CGS system of mass and specific heat capacity
3. BTU: this system is known as british thermal unit which is used in measuring engineering calculations
