Cas
carlos uses a rope to pull his car 30 m to a parking lot because it ran out of gas. if carlos exerts 2,000 n of force to
pull the rope, and the rope is at an angle of 15° to the road, how much work did he do? round your answer to two
significant figures.
1.6 x 104 j
3.5 * 104 j
5.8 x 104
o 9.0 * 104

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

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

Write down two additional questions about earth's magnetic field that will make your presentation more informative.