A ball is tossed up into the air, reaches its highest point and returns to its original position. which of the following is true about the balls velocity and acceleration at its highest point? a) it’s velocity and acceleration are both zero

b) it’s velocity is up and non zero constant and acceleration is zero

c) it’s velocity is down and non zero constant and acceleration is zero

d) it’s velocity is zero and acceleration is up and non zero constant

e) it’s velocity is zero and acceleration is down and non constant zero

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

Match each scenario to the form of energy it represents

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?