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Questions in physics

[Open]What do we call factors that control traits?

[Open]A 2-kg object is thrown vertically upward with an initial kinetic energy of 400 joules. To what height will the object rise?

[Open]Would you expect the air pressure in a valley that's below sea level to be higher or lower than the air pressure at sea level?

[Open]What is the average mass of a small toy car (e.g., Hot Wheels)?

[Open]How far will a runner travel if she has an average speed of 10 km/hour and runs for 2.1 hours?

[Open]Is it possible for an object with a constant negative acceleration to change the direction in which it is moving? Explain why or why not.

[Open]Would the friction force increase, decrease, or stay the same if Marco added two more blocks to the sled or wagon? Explain your answer.

[Open]Does anyone know what uranium is?

[Open]Heat likes to remain. ONMFRIU ← What's that unscrambled?

[Open]Which diagram or diagrams represent a single element?