Explain why the speed of a sled increases as it moves down a snow covered hill even though no one is pushing on the sled

A rightward-moving truck skids to a stop from a very high speed with its wheels locked. What forces are exerted on the object?

Are ocelots prey or predators to rodents? This is the sentence "Therefore we should protect ocelots because then there will be less roadents since ocelots are there (prey or predators).

What does this chemical reaction describe? water → hydrogen + oxygen respiration decomposition of water combustion of hydrogen fuel chemical reaction in a battery

A D note has a frequency of 587.33 Hz. Calculate its wavelength in meters. The speed of sound is 343 m/s

Two particles oscillate in simple harmonic motion along a common straight-line segment of length a. each particle has a period of 1.5 s, but they differ in phase by pi/6 rad. (a) how far apart are they (in terms of a. 0.

A 3 μf capacitor is connected to a 6 v battery. what is the charge on each plate of the capacitor?

What are some reasons we put orbiting spacecraft up into the atmosphere?

Critical thinking! Applying Concepts A desk exerts an upward force to support a computer resting on it. Does this force do work? Explain.

When an inclined plane is used, A. the mechanical advantage increases as the height increases. B. a smaller force is exerted over a longer distance. C. a negative mechanical advantage can result. D. a greater force is exerted over a shorter distance

A 4-kg cat is resting on a bookshelf that is 3m high. What is the cats gravitational potential energy relative to the floor if the acceleration due to gravity is 9.8m/s squared