What force (size and direction) must exert the hand of a ball-thrower on the ball with m = 7,25 kg, so that it accelerates evenly on a 1,7 m long 42 ° rising distance, so that after leaving the hand in 2 m above the ground and 0.5 m before the start of the test, a throw of 18 m? calculate with g = 10 m / s2.

If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

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