Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the distance at 38.0 mph and half the distance at 62.0 mph. On her return trip, she drives half the time at 38.0 mph and half the time at 62.0 mph. A) What is Julie's average speed on the way to grandmother's house?B) What is her average speed in the return trip?
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Physics, 21.06.2019 12:40, goldenhawk239
In guinea pigs, assume black coat is completely dominant over white. to determine whether an unknown black guinea pig is pure or hybrid black, it should be crossed with bb, bb, bb
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Physics, 22.06.2019 14:00, batmanmarie2004
Awater balloon launcher uses an elastic band with a spring constant of 115 n/m to use thee launcher you stretch thee band back with a balloon n it the water balloons have a mass of 1.3 kg a) if you stretch the band by 0.8 m, what elastic force will the band exert? b) with the band stretched 0.8 m, how much elastic potential energy is stored in the spring? c) if you release the band, it pushes forward. what is the kinetic energy of the balloon when it reaches the natural length of the band? d) what is the speed of the balloon when it reaches the natural length of the band?
Answers: 1
Julie drives 100 mi to Grandmother's house. On the way to Grandmother's, Julie drives half the dista...
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