A cyclist and his bicycle have a combined mass of 88 kg and a combined weight of 8624 N. The cyclist accelerates at 1.2 m/s2. After 2 seconds he
reaches a speed of 24 m/s. What is his momentum at this point?
A. 1056 kgm/s
B. 36.7 kg mis
C. 2112 kgm/s
D. 3593 kgm/s

In what direction does the medium move relative to the direction of the wave? explain.

Acarpenter builds an exterior house wall with a layer of wood 2.9 cm thick on the outside and a layer of styrofoam insulation 2.3 cm thick on the inside wall surface. the wood has k=0.080w/(m⋅k), and the styrofoam has k= 0.010 w/(m⋅k). the interior surface temperature is 19.0 ∘c , and the exterior surface temperature is -15.0 ∘c . a.)what is the temperature at the plane where the wood meets the styrofoam? celsius b.)what is the rate of heat flow per square meter through this wall? /m^2

The particles that are found in the nucleus of an atom are