A 0.49 kg squirrel jumps from the ground to a tree branch that is 2.1 m high. What is the gravitational potential energy of the squirrel in the tree? Show your
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Difference between series and parallel circuits

Your science teacher brings in a speaker to talk to your class about climate change. during the session, students ask a few questions. which questions are related to the current evidence on climate change

Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.