A 1500 kg car is accelerated by a force of 2000 N for 15 s. What is the acceleration of the car?

If the car started at rest, how fast is the car going after 15s? (1pts)

How far (∆x) would the car have traveled after the 15s? (1pts)

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Which body part transports oxygen removes waste materials in carries nutrients to the body as part of the circulatory system

A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.