Asled of mass 3 kg slides along the ice. it has an initial speed of 5 m/s but stops because of friction. how much work is done by friction?
a. 0 j
b. 75 j
c. -75 j
d. -37.5 j

According to the tide table below what time of day will the highest tide occur?

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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.