Kassidy is driving her 1,000 kg car at 15 m/s when she sees traffic ahead and brakes to slow down to 3 m/s. What was the change in momentum for her car?

What was the impulse exerted on her car?
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Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?