A helium balloon and its payload have a total mass of 196kg and a volume of 150m^3. (average density of air at sea level - 1.29 kg/m^3 , g=9.m/s^2) 1) Calculate its weight.
2) Calculate the buoyancy force
3) Calculate the size and direction of the resultant force acting on the balloon.
4) Outline whether or not the balloon will take off.

the bal will not change its velocity.

the small 0.38-kg slider is known to move from position a to position b along the vertical-plane slot. determine (a) the work done on the body by its weight and (b) the work done on the body by the spring. the distance r = 0.70 m, the spring modulus k = 154 n/m, and the unstretched length of the spring is 0.53 m

explanation:

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answer: a. same unit

explanation:

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