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Questions in physics

[Homework Help] If a creature's Ferrari, with an initial speed of 10 m/s, accelerates at a rate of 50 m/s² for 3 seconds, what will its final speed be?

[Homework Help] What is the average speed of a kangaroo that hops 60 m in 5 s?

[Homework Help] The _____ law of thermodynamics states that energy can't be created or destroyed. Two natural sources of energy on Earth are _____.

[Homework Help] Hassan made a simple thermometer by blowing a bulb on the end of a glass capillary tube and filling it with colored water. Why could he not use it to measure the temperature of some hot sugar syrup at 110 degrees Celsius?

[Homework Help] Which of the following depend upon the amount of matter in an object? A. Only its mass B. Only its weight C. Both its mass and its weight D. Neither its mass nor its weight

[Homework Help] Force is measured in newtons, which is a derived unit. What is one newton in terms of the fundamental units of measurement?

[Homework Help] How can you determine if an object is accelerating by looking at a speed vs. time graph?

[Homework Help] Suppose you need to build a raft to cross a fast-moving river. Describe the physical and chemical properties of the raft that would be important to ensure your safety.

[Homework Help] How are potential energy and kinetic energy alike?

[Homework Help] Two identical conducting spheres A and B carry equal charge. They are separated by a distance much larger than their diameters. A third identical conducting sphere C is uncharged. Sphere C is first touched to A, then to B, and finally removed. As a result, the electrostatic force between A and B, which was originally 3.0 N, becomes: