Students use a simple pendulum with a length of 36.9cm to determine the value of "g". if it takes 14.2s to complete 10 oscillations, a) what will be their experimental value "g"? b) if the pendulum were placed on the moon where "g" of the moon = 1/6th the "g" of the earth, will the period, (1) increase, (2) remain the same, (3) decrease ? and why? c) if the period on the earth were 3s, what would it be on the moon?

The man fires an 80 g arrow so that it is moving at 80 m/s when it hits and embeds in a 8.0 kg block resting on ice. how far will the block slide on the ice before stopping? a 7.1 n friction force opposes its motion.

Ineed the answer to question 1 , i’m desperate

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