![What is the force between two small charged spheres having charges of 2 × 10^-7 C and 3 × 10^-7 C placed 30 cm apart in air? What is the force between two small charged spheres having charges of 2 × 10^-7 C and 3 × 10^-7 C placed 30 cm apart in air?](https://i.ytimg.com/vi/Sy2emsXYYdE/maxresdefault.jpg)
What is the force between two small charged spheres having charges of 2 × 10^-7 C and 3 × 10^-7 C placed 30 cm apart in air?
![A rod of length 30.0 cm has linear density (mass per length) given by lambda = 50.0 + 20.0 x where x is the distance from one end, measured in meters, and A rod of length 30.0 cm has linear density (mass per length) given by lambda = 50.0 + 20.0 x where x is the distance from one end, measured in meters, and](https://haygot.s3.amazonaws.com/questions/1898113_1864899_ans_cf1adada3b6d4b3aba8f6ff5b26fa852.jpg)
A rod of length 30.0 cm has linear density (mass per length) given by lambda = 50.0 + 20.0 x where x is the distance from one end, measured in meters, and
![An object with a mass 10 kg moves at a constant velocity of 10 m/s . A constant force then acts for 4 second on the object and gives it a speed An object with a mass 10 kg moves at a constant velocity of 10 m/s . A constant force then acts for 4 second on the object and gives it a speed](https://dwes9vv9u0550.cloudfront.net/images/11627688/7907febc-1516-4247-b5e3-57dae3666bed.jpg)