What is the escape speed from a planet with of radius 4.5 x 103 km which has gravitational acceleration at the surface of 8.2 m/s2

Which of the following is not am example of a polymer? protein nylon kevlar concreta

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o

The electric potential v is constant everywhere within a certain region of space. which statement below is true? the choices are: the electric field is also constant (but not zero) within the region. a charged particle placed within the region will experience an electric force. the electric field is zero everywhere within the region. the electric field varies from place to place within the region.