Jupiter’s moon Europa is unique. Underneath its crust, which is made of ice, is a layer of liquid water. This liquid layer likely contains more water than there is on Earth. The liquid layer causes Europa to be extremely tectonically active, with new crust being formed constantly. How does this level of tectonic activity on Europa likely reduce the number of visible impact craters?.

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the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg