26. Why does the need on a compass move when placed in the coll of wirel The comuns needle moves because the flow of electricity
a causes the wire to heat up
b. generates a magnetic field
C is generated by a battery
d. Nows in only one direction
27. Increasing the clectric current in the wire is one way to
#strengthen a solenoid's magnetic field
b. make a solenoid become an electromagnet
C, make an electromagnet become a solenoid
d. create a larger electric field

Which two particles are found in the center of an atom

1.)the isotope cobalt-60 has a nuclear mass of 59.933820 u calculate the mass defect of cobalt-60 using the following information. mass of proton: 1.007825 u mass of neutron: 1.008665 u 1 u = 931.5 mev 2.)the isotope cobalt-60 has a nuclear mass of 59.933820 u calculate the binding energy of cobalt-60 using the following information. mass of proton: 1.007825 u mass of neutron: 1.008665 u 1 u = 931.5 mev 3.)the isotope cobalt-60 has a nuclear mass of 59.933820 u calculate the binding energy per nucleon of cobalt-60 using the following information. mass of proton: 1.007825 u mass of neutron: 1.008665 u 1 u = 931.5 mev

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)